172057166264 has 32 divisors (see below), whose sum is σ = 330340032000. Its totient is φ = 83969283552.

The previous prime is 172057166261. The next prime is 172057166293. The reversal of 172057166264 is 462661750271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172057166261) 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, 321227 + ... + 668805.

It is an arithmetic number, because the mean of its divisors is an integer number (10323126000).

Almost surely, 2^172057166264 is an apocalyptic number.

It is an amenable number.

172057166264 is a deficient number, since it is larger than the sum of its proper divisors (158282865736).

172057166264 is a wasteful number, since it uses less digits than its factorization.

172057166264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349067 (or 349063 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 172057166264 in words is "one hundred seventy-two billion, fifty-seven million, one hundred sixty-six thousand, two hundred sixty-four".