165515202052 has 24 divisors (see below), whose sum is σ = 306702819360. Its totient is φ = 77886234240.

The previous prime is 165515202049. The next prime is 165515202053. The reversal of 165515202052 is 250202515561.

It is a super-2 number, since 2×165515202052² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 165515201999 and 165515202017.

It is not an unprimeable number, because it can be changed into a prime (165515202053) 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, 2530699 + ... + 2595277.

It is an arithmetic number, because the mean of its divisors is an integer number (12779284140).

Almost surely, 2^165515202052 is an apocalyptic number.

It is an amenable number.

165515202052 is a deficient number, since it is larger than the sum of its proper divisors (141187617308).

165515202052 is a wasteful number, since it uses less digits than its factorization.

165515202052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102291 (or 102289 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 165515202052 in words is "one hundred sixty-five billion, five hundred fifteen million, two hundred two thousand, fifty-two".