165937936 has 10 divisors (see below), whose sum is σ = 321504782. Its totient is φ = 82968960.

The previous prime is 165937931. The next prime is 165937943. The reversal of 165937936 is 639739561.

It can be written as a sum of positive squares in only one way, i.e., 91011600 + 74926336 = 9540^2 + 8656^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 165937936.

It is not an unprimeable number, because it can be changed into a prime (165937931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5185545 + ... + 5185576.

Almost surely, 2^165937936 is an apocalyptic number.

165937936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165937936 is a deficient number, since it is larger than the sum of its proper divisors (155566846).

165937936 is a wasteful number, since it uses less digits than its factorization.

165937936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371129 (or 10371123 counting only the distinct ones).

The product of its digits is 918540, while the sum is 49.

The square root of 165937936 is about 12881.6899512448. The cubic root of 165937936 is about 549.5179644307.

The spelling of 165937936 in words is "one hundred sixty-five million, nine hundred thirty-seven thousand, nine hundred thirty-six".