172316051 has 8 divisors (see below), whose sum is σ = 174908160. Its totient is φ = 169736392.

The previous prime is 172316041. The next prime is 172316059. The reversal of 172316051 is 150613271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172316051 - 2⁶ = 172315987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172316051.

It is not an unprimeable number, because it can be changed into a prime (172316059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26906 + ... + 32688.

It is an arithmetic number, because the mean of its divisors is an integer number (21863520).

Almost surely, 2^172316051 is an apocalyptic number.

172316051 is a deficient number, since it is larger than the sum of its proper divisors (2592109).

172316051 is an equidigital number, since it uses as much as digits as its factorization.

172316051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 172316051 is about 13126.9208499175. The cubic root of 172316051 is about 556.4701987939.

The spelling of 172316051 in words is "one hundred seventy-two million, three hundred sixteen thousand, fifty-one".