172716168 has 64 divisors (see below), whose sum is σ = 440668800. Its totient is φ = 56401920.

The previous prime is 172716157. The next prime is 172716169. The reversal of 172716168 is 861617271.

It is not an unprimeable number, because it can be changed into a prime (172716169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269128 + ... + 269768.

It is an arithmetic number, because the mean of its divisors is an integer number (6885450).

Almost surely, 2^172716168 is an apocalyptic number.

It is an amenable number.

172716168 is an abundant number, since it is smaller than the sum of its proper divisors (267952632).

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

172716168 is a wasteful number, since it uses less digits than its factorization.

172716168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 858 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 172716168 is about 13142.1523351390. The cubic root of 172716168 is about 556.9005728537.

The spelling of 172716168 in words is "one hundred seventy-two million, seven hundred sixteen thousand, one hundred sixty-eight".