316247991918 has 16 divisors (see below), whose sum is σ = 669701630160. Its totient is φ = 99215056256.

The previous prime is 316247991887. The next prime is 316247991947. The reversal of 316247991918 is 819199742613.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1550235153 + ... + 1550235356.

It is an arithmetic number, because the mean of its divisors is an integer number (41856351885).

Almost surely, 2^316247991918 is an apocalyptic number.

316247991918 is an abundant number, since it is smaller than the sum of its proper divisors (353453638242).

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

316247991918 is a wasteful number, since it uses less digits than its factorization.

316247991918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100470531.

The product of its digits is 5878656, while the sum is 60.

The spelling of 316247991918 in words is "three hundred sixteen billion, two hundred forty-seven million, nine hundred ninety-one thousand, nine hundred eighteen".