165755605232 has 20 divisors (see below), whose sum is σ = 367030268976. Its totient is φ = 71038116480.

The previous prime is 165755605159. The next prime is 165755605261. The reversal of 165755605232 is 232506557561.

It is a happy number.

165755605232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739980269 + ... + 739980492.

Almost surely, 2^165755605232 is an apocalyptic number.

It is an amenable number.

165755605232 is an abundant number, since it is smaller than the sum of its proper divisors (201274663744).

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

165755605232 is a wasteful number, since it uses less digits than its factorization.

165755605232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479960776 (or 1479960770 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 47.

The spelling of 165755605232 in words is "one hundred sixty-five billion, seven hundred fifty-five million, six hundred five thousand, two hundred thirty-two".