Which of the following numbers divides 86,16,16,843?

Check divisibility:

1. 50
A number divisible by 50 must end in 00 or 50.
👉 861616843 ends in 43 ❌ Not divisible

2. 36
36 = 4 × 9 → must be divisible by both 4 and 9

• Last two digits = 43 → not divisible by 4 ❌
  👉 Not divisible

3. 43 and 47
Now check by division:

$ 861616843 \div 43 = 20037601 $ (exact integer) ✅

So, it is divisible by 43.

Final Answer:

43