165057353180 has 24 divisors (see below), whose sum is σ = 361690896672. Its totient is φ = 63152378432.

The previous prime is 165057353177. The next prime is 165057353191. The reversal of 165057353180 is 81353750561.

It is a super-2 number, since 2×165057353180² (a number of 23 digits) contains 22 as substring.

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, 179409707 + ... + 179410626.

It is an arithmetic number, because the mean of its divisors is an integer number (15070454028).

Almost surely, 2^165057353180 is an apocalyptic number.

165057353180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165057353180 is an abundant number, since it is smaller than the sum of its proper divisors (196633543492).

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

165057353180 is a wasteful number, since it uses less digits than its factorization.

165057353180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358820365 (or 358820363 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 165057353180 in words is "one hundred sixty-five billion, fifty-seven million, three hundred fifty-three thousand, one hundred eighty".