172168647704 has 16 divisors (see below), whose sum is σ = 341805403800. Its totient is φ = 81020540032.

The previous prime is 172168647683. The next prime is 172168647719. The reversal of 172168647704 is 407746861271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632972834 + ... + 632973105.

Almost surely, 2^172168647704 is an apocalyptic number.

It is an amenable number.

172168647704 is a deficient number, since it is larger than the sum of its proper divisors (169636756096).

172168647704 is a wasteful number, since it uses less digits than its factorization.

172168647704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265945962 (or 1265945958 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 172168647704 in words is "one hundred seventy-two billion, one hundred sixty-eight million, six hundred forty-seven thousand, seven hundred four".