165662136 has 48 divisors (see below), whose sum is σ = 450162960. Its totient is φ = 55036800.

The previous prime is 165662113. The next prime is 165662137. The reversal of 165662136 is 631266561.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 165662136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165662137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18861 + ... + 26211.

It is an arithmetic number, because the mean of its divisors is an integer number (9378395).

Almost surely, 2^165662136 is an apocalyptic number.

It is an amenable number.

165662136 is an abundant number, since it is smaller than the sum of its proper divisors (284500824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165662136 is a wasteful number, since it uses less digits than its factorization.

165662136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7676 (or 7669 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 165662136 is about 12870.9803822397. The cubic root of 165662136 is about 549.2133503445.

The spelling of 165662136 in words is "one hundred sixty-five million, six hundred sixty-two thousand, one hundred thirty-six".