165877012164 has 48 divisors (see below), whose sum is σ = 388772616960. Its totient is φ = 55045858560.

The previous prime is 165877012127. The next prime is 165877012211. The reversal of 165877012164 is 461210778561.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16173262 + ... + 16183514.

It is an arithmetic number, because the mean of its divisors is an integer number (8099429520).

Almost surely, 2^165877012164 is an apocalyptic number.

It is an amenable number.

165877012164 is an abundant number, since it is smaller than the sum of its proper divisors (222895604796).

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

165877012164 is a wasteful number, since it uses less digits than its factorization.

165877012164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16140 (or 16138 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 165877012164 in words is "one hundred sixty-five billion, eight hundred seventy-seven million, twelve thousand, one hundred sixty-four".