316378386612972 has 72 divisors (see below), whose sum is σ = 824024098353456. Its totient is φ = 102274974393984.

The previous prime is 316378386612833. The next prime is 316378386612979. The reversal of 316378386612972 is 279216683873613.

316378386612972 is a `hidden beast` number, since 3 + 1 + 6 + 378 + 3 + 8 + 66 + 129 + 72 = 666.

It is a super-4 number, since 4×316378386612972⁴ (a number of 59 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 316378386612972.

It is not an unprimeable number, because it can be changed into a prime (316378386612979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386433603 + ... + 387251450.

It is an arithmetic number, because the mean of its divisors is an integer number (11444779143798).

Almost surely, 2^{316378386612972} is an apocalyptic number.

It is an amenable number.

316378386612972 is an abundant number, since it is smaller than the sum of its proper divisors (507645711740484).

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

316378386612972 is a wasteful number, since it uses less digits than its factorization.

316378386612972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773685407 (or 773685402 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 72.

The spelling of 316378386612972 in words is "three hundred sixteen trillion, three hundred seventy-eight billion, three hundred eighty-six million, six hundred twelve thousand, nine hundred seventy-two".