164397296875 has 42 divisors (see below), whose sum is σ = 239045143308. Its totient is φ = 112729050000.

The previous prime is 164397296863. The next prime is 164397296881. The reversal of 164397296875 is 578692793461.

It is not a de Polignac number, because 164397296875 - 2⁷ = 164397296747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164397296875.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 658264 + ... + 872986.

Almost surely, 2^164397296875 is an apocalyptic number.

164397296875 is a deficient number, since it is larger than the sum of its proper divisors (74647846433).

164397296875 is an frugal number, since it uses more digits than its factorization.

164397296875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214767 (or 214735 counting only the distinct ones).

The product of its digits is 137168640, while the sum is 67.

The spelling of 164397296875 in words is "one hundred sixty-four billion, three hundred ninety-seven million, two hundred ninety-six thousand, eight hundred seventy-five".