165552664562200 has 24 divisors (see below), whose sum is σ = 384909945107580. Its totient is φ = 66221065824800.

The previous prime is 165552664562183. The next prime is 165552664562251. The reversal of 165552664562200 is 2265466255561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 413881661206 + ... + 413881661605.

Almost surely, 2^{165552664562200} is an apocalyptic number.

165552664562200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165552664562200 is an abundant number, since it is smaller than the sum of its proper divisors (219357280545380).

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

165552664562200 is a wasteful number, since it uses less digits than its factorization.

165552664562200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827763322827 (or 827763322818 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 55.

The spelling of 165552664562200 in words is "one hundred sixty-five trillion, five hundred fifty-two billion, six hundred sixty-four million, five hundred sixty-two thousand, two hundred".