316116172 has 12 divisors (see below), whose sum is σ = 564973920. Its totient is φ = 154695056.

The previous prime is 316116149. The next prime is 316116179. The reversal of 316116172 is 271611613.

It is a self number, because there is not a number n which added to its sum of digits gives 316116172.

It is not an unprimeable number, because it can be changed into a prime (316116179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840547 + ... + 840922.

It is an arithmetic number, because the mean of its divisors is an integer number (47081160).

Almost surely, 2^316116172 is an apocalyptic number.

It is an amenable number.

316116172 is a deficient number, since it is larger than the sum of its proper divisors (248857748).

316116172 is a wasteful number, since it uses less digits than its factorization.

316116172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681520 (or 1681518 counting only the distinct ones).

The product of its digits is 1512, while the sum is 28.

The square root of 316116172 is about 17779.6561271584. The cubic root of 316116172 is about 681.2119189554.

Adding to 316116172 its reverse (271611613), we get a palindrome (587727785).

The spelling of 316116172 in words is "three hundred sixteen million, one hundred sixteen thousand, one hundred seventy-two".