164977717116 has 24 divisors (see below), whose sum is σ = 386038520784. Its totient is φ = 54836784640.

The previous prime is 164977717111. The next prime is 164977717139. The reversal of 164977717116 is 611717779461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164977717111) 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, 19469055 + ... + 19477526.

It is an arithmetic number, because the mean of its divisors is an integer number (16084938366).

Almost surely, 2^164977717116 is an apocalyptic number.

It is an amenable number.

164977717116 is an abundant number, since it is smaller than the sum of its proper divisors (221060803668).

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

164977717116 is a wasteful number, since it uses less digits than its factorization.

164977717116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38946941 (or 38946939 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 57.

The spelling of 164977717116 in words is "one hundred sixty-four billion, nine hundred seventy-seven million, seven hundred seventeen thousand, one hundred sixteen".