316915921725 has 24 divisors (see below), whose sum is σ = 564272863392. Its totient is φ = 156020145600.

The previous prime is 316915921649. The next prime is 316915921733. The reversal of 316915921725 is 527129519613.

316915921725 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 316915921725 - 2¹⁰ = 316915920701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162520011 + ... + 162521960.

It is an arithmetic number, because the mean of its divisors is an integer number (23511369308).

Almost surely, 2^316915921725 is an apocalyptic number.

It is an amenable number.

316915921725 is a deficient number, since it is larger than the sum of its proper divisors (247356941667).

316915921725 is a wasteful number, since it uses less digits than its factorization.

316915921725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325041997 (or 325041992 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 51.

The spelling of 316915921725 in words is "three hundred sixteen billion, nine hundred fifteen million, nine hundred twenty-one thousand, seven hundred twenty-five".