172058664 has 32 divisors (see below), whose sum is σ = 436043520. Its totient is φ = 56566656.

The previous prime is 172058657. The next prime is 172058701. The reversal of 172058664 is 466850271.

172058664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47352 + ... + 50855.

It is an arithmetic number, because the mean of its divisors is an integer number (13626360).

Almost surely, 2^172058664 is an apocalyptic number.

It is an amenable number.

172058664 is an abundant number, since it is smaller than the sum of its proper divisors (263984856).

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

172058664 is a wasteful number, since it uses less digits than its factorization.

172058664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98289 (or 98285 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 172058664 is about 13117.1134019646. The cubic root of 172058664 is about 556.1929958165.

The spelling of 172058664 in words is "one hundred seventy-two million, fifty-eight thousand, six hundred sixty-four".