165111654546564 has 36 divisors (see below), whose sum is σ = 423468182876592. Its totient is φ = 50033834710640.

The previous prime is 165111654546557. The next prime is 165111654546569. The reversal of 165111654546564 is 465645456111561.

It is a super-3 number, since 3×165111654546564³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165111654546498 and 165111654546507.

It is not an unprimeable number, because it can be changed into a prime (165111654546569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56856628902 + ... + 56856631805.

Almost surely, 2^{165111654546564} is an apocalyptic number.

It is an amenable number.

165111654546564 is an abundant number, since it is smaller than the sum of its proper divisors (258356528330028).

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

165111654546564 is a wasteful number, since it uses less digits than its factorization.

165111654546564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113713260736 (or 113713260723 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 60.

The spelling of 165111654546564 in words is "one hundred sixty-five trillion, one hundred eleven billion, six hundred fifty-four million, five hundred forty-six thousand, five hundred sixty-four".