165017327055528 has 32 divisors (see below), whose sum is σ = 412548162708960. Its totient is φ = 55005129675840.

The previous prime is 165017327055527. The next prime is 165017327055667. The reversal of 165017327055528 is 825550723710561.

It is not an unprimeable number, because it can be changed into a prime (165017327055527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38287278 + ... + 42378653.

It is an arithmetic number, because the mean of its divisors is an integer number (12892130084655).

Almost surely, 2^{165017327055528} is an apocalyptic number.

It is an amenable number.

165017327055528 is an abundant number, since it is smaller than the sum of its proper divisors (247530835653432).

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

165017327055528 is a wasteful number, since it uses less digits than its factorization.

165017327055528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80751177 (or 80751173 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 57.

The spelling of 165017327055528 in words is "one hundred sixty-five trillion, seventeen billion, three hundred twenty-seven million, fifty-five thousand, five hundred twenty-eight".