172110164 has 6 divisors (see below), whose sum is σ = 301192794. Its totient is φ = 86055080.

The previous prime is 172110143. The next prime is 172110179. The reversal of 172110164 is 461011271.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 170093764 + 2016400 = 13042^2 + 1420^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21513767 + ... + 21513774.

It is an arithmetic number, because the mean of its divisors is an integer number (50198799).

Almost surely, 2^172110164 is an apocalyptic number.

It is an amenable number.

172110164 is a deficient number, since it is larger than the sum of its proper divisors (129082630).

172110164 is a wasteful number, since it uses less digits than its factorization.

172110164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43027545 (or 43027543 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 172110164 is about 13119.0763394379. The cubic root of 172110164 is about 556.2484828642.

The spelling of 172110164 in words is "one hundred seventy-two million, one hundred ten thousand, one hundred sixty-four".