4D number history
4D number 1666 — drawn 17 times across our 10 tracked operators, most recently on 2026-04-20.
Most recently drawn as Special prize at Perdana 4D on 2026-04-20.
Wins of 1666 by operator
Every recorded draw of 1666
| Date | Operator | Prize tier |
|---|---|---|
| 2026-04-20 | Perdana 4D | Special prize |
| 2026-02-07 | STC Sandakan 4D | Special prize |
| 2026-01-21 | Lucky Hari Hari 4D | Special prize |
| 2025-11-26 | Special Cash Sweep 4D | Special prize |
| 2025-08-27 | Perdana 4D | Special prize |
| 2025-08-24 | Sabah 88 4D | 2nd prize |
| 2025-08-20 | STC Sandakan 4D | Special prize |
| 2025-07-20 | Sabah 88 4D | Consolation |
| 2025-04-16 | Lucky Hari Hari 4D | Consolation |
| 2025-04-05 | Singapore Pools 4D | 2nd prize |
| 2024-10-19 | Singapore Pools 4D | Special prize |
| 2024-07-22 | Grand Dragon Lotto | Special prize |
| 2024-06-01 | Singapore Pools 4D | Consolation |
| 2024-05-04 | Singapore Pools 4D | Special prize |
| 2024-04-17 | Sports Toto 4D | Special prize |
| 2024-02-10 | Damacai 1+3D | Consolation |
| 2024-02-07 | Damacai 1+3D | Special prize |
Number facts — 1666
A read of the four digits of 1666 on their own — these properties hold whether or not the number has ever been drawn. Most serve no statistical purpose for a random 4D draw, but they're useful context when comparing numbers or choosing iBox plays.
| Digit sum | 1 + 6 + 6 + 6 = 19 |
|---|---|
| Digit product | 1 × 6 × 6 × 6 = 216 |
| Reverse | 6661 |
| Palindrome | No |
| Unique digits | 2 of 4 |
| Sequential pairs | 16, 66, 66 — 66 repeats |
| Big/Small bias | 1 small (0–4) / 3 big (5–9) — leans Big |
| Parity | Even |
| Prime | No — 1666 = 2 × 7^2 × 17 |
iBox / Permutation play — 1666
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 1666 are listed below — there are 4 permutations total (repeated digits collapse the 24 possibilities down to 4).
Nearby numbers
Walk up or down by one, jump to the reverse, or see numbers that differ by just a single digit position.
Numbers that differ from 1666 by one digit:
Cultural reading of 1666
In Malaysian, Singaporean, and Cambodian Chinese 4D culture, individual digits carry phonetic associations through Cantonese homophones. These are widely shared folk readings — not predictions and not statistical claims.
| Digit | Sound | Common association |
|---|---|---|
| 1 | yat (一) | single, the start, certainty |
| 6 | luk (六) | smooth and flowing (similar to 流 lau) |
| 6 | luk (六) | smooth and flowing (similar to 流 lau) |
| 6 | luk (六) | smooth and flowing (similar to 流 lau) |
Combined reading: Includes 6 (六 luk), commonly associated with smoothness through the homophone 流. Contains a repeating 2-digit pattern (66) — a repetition some readers view as a doubling of the pair's meaning. The digit sum is 19.
Hot or cold?
1666 has appeared 17 times — comfortably in the "hot" range across our window.
For the full picture, see the hottest and coldest numbers tool which ranks every drawn 4-digit number across all 10 operators.
Check this number at each operator
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Frequently asked questions
- Has 4D number 1666 ever won?
- Yes — 1666 has been recorded as a winning number 17 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 1666 won?
- The most recent recorded draw of 1666 was on 2026-04-20 at Perdana 4D.
- Which operator has drawn 1666 most often?
- Singapore Pools 4D has drawn 1666 the most times in our recorded window.
- Is 1666 a hot or cold number?
- 1666 sits on the hotter side of our distribution, with 17 recorded wins. Note this is a backward-looking statistic and does not affect future draw probability.
- How many iBox permutations does 1666 have?
- 1666 has 4 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 1666 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 1666?
- The digits 1 + 6 + 6 + 6 sum to 19.