165224869164 has 18 divisors (see below), whose sum is σ = 417651752700. Its totient is φ = 55074956376.

The previous prime is 165224869127. The next prime is 165224869177. The reversal of 165224869164 is 461968422561.

It is a happy number.

165224869164 is a `hidden beast` number, since 1 + 6 + 522 + 48 + 69 + 16 + 4 = 666.

165224869164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 165224869164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2294789814 + ... + 2294789885.

It is an arithmetic number, because the mean of its divisors is an integer number (23202875150).

Almost surely, 2^165224869164 is an apocalyptic number.

It is an amenable number.

165224869164 is an abundant number, since it is smaller than the sum of its proper divisors (252426883536).

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

165224869164 is a wasteful number, since it uses less digits than its factorization.

165224869164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589579709 (or 4589579704 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 165224869164 in words is "one hundred sixty-five billion, two hundred twenty-four million, eight hundred sixty-nine thousand, one hundred sixty-four".