165486883723 has 32 divisors (see below), whose sum is σ = 203002619904. Its totient is φ = 131804589312.

The previous prime is 165486883717. The next prime is 165486883733. The reversal of 165486883723 is 327388684561.

It is a cyclic number.

It is not a de Polignac number, because 165486883723 - 2²⁵ = 165453329291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165486883703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3832711 + ... + 3875647.

It is an arithmetic number, because the mean of its divisors is an integer number (6343831872).

Almost surely, 2^165486883723 is an apocalyptic number.

165486883723 is a deficient number, since it is larger than the sum of its proper divisors (37515736181).

165486883723 is a wasteful number, since it uses less digits than its factorization.

165486883723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43651.

The product of its digits is 46448640, while the sum is 61.

The spelling of 165486883723 in words is "one hundred sixty-five billion, four hundred eighty-six million, eight hundred eighty-three thousand, seven hundred twenty-three".