165017327055756 has 96 divisors (see below), whose sum is σ = 442102640179200. Its totient is φ = 46927816300800.

The previous prime is 165017327055709. The next prime is 165017327055797. The reversal of 165017327055756 is 657550723710561.

It is a self number, because there is not a number n which added to its sum of digits gives 165017327055756.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19692070 + ... + 26792018.

It is an arithmetic number, because the mean of its divisors is an integer number (4605235835200).

Almost surely, 2^{165017327055756} is an apocalyptic number.

It is an amenable number.

165017327055756 is an abundant number, since it is smaller than the sum of its proper divisors (277085313123444).

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

165017327055756 is a wasteful number, since it uses less digits than its factorization.

165017327055756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101255 (or 7101253 counting only the distinct ones).

The product of its (nonzero) digits is 46305000, while the sum is 60.

The spelling of 165017327055756 in words is "one hundred sixty-five trillion, seventeen billion, three hundred twenty-seven million, fifty-five thousand, seven hundred fifty-six".