165016407204 has 36 divisors (see below), whose sum is σ = 455045245200. Its totient is φ = 50004971760.

The previous prime is 165016407169. The next prime is 165016407209. The reversal of 165016407204 is 402704610561.

165016407204 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 1 + 640 + 7 + 2 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (165016407209) 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, 208353654 + ... + 208354445.

It is an arithmetic number, because the mean of its divisors is an integer number (12640145700).

Almost surely, 2^165016407204 is an apocalyptic number.

It is an amenable number.

165016407204 is an abundant number, since it is smaller than the sum of its proper divisors (290028837996).

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

165016407204 is a wasteful number, since it uses less digits than its factorization.

165016407204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416708120 (or 416708115 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 165016407204 in words is "one hundred sixty-five billion, sixteen million, four hundred seven thousand, two hundred four".