165136536 has 32 divisors (see below), whose sum is σ = 458713200. Its totient is φ = 55045440.

The previous prime is 165136523. The next prime is 165136547. The reversal of 165136536 is 635631561.

165136536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 165136536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382045 + ... + 382476.

Almost surely, 2^165136536 is an apocalyptic number.

It is an amenable number.

165136536 is an abundant number, since it is smaller than the sum of its proper divisors (293576664).

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

165136536 is a wasteful number, since it uses less digits than its factorization.

165136536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764536 (or 764526 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 165136536 is about 12850.5461362543. The cubic root of 165136536 is about 548.6319011181.

The spelling of 165136536 in words is "one hundred sixty-five million, one hundred thirty-six thousand, five hundred thirty-six".