165536136 has 40 divisors (see below), whose sum is σ = 463656270. Its totient is φ = 55178496.

The previous prime is 165536131. The next prime is 165536149. The reversal of 165536136 is 631635561.

165536136 is a `hidden beast` number, since 16 + 553 + 61 + 36 = 666.

165536136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 156500100 + 9036036 = 12510^2 + 3006^2 .

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 165536136.

It is not an unprimeable number, because it can be changed into a prime (165536131) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 127081 + ... + 128376.

Almost surely, 2^165536136 is an apocalyptic number.

It is an amenable number.

165536136 is an abundant number, since it is smaller than the sum of its proper divisors (298120134).

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

165536136 is a wasteful number, since it uses less digits than its factorization.

165536136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255475 (or 255462 counting only the distinct ones).

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

The square root of 165536136 is about 12866.0847191366. The cubic root of 165536136 is about 549.0740740327.

The spelling of 165536136 in words is "one hundred sixty-five million, five hundred thirty-six thousand, one hundred thirty-six".