316909680 has 80 divisors (see below), whose sum is σ = 1016318880. Its totient is φ = 81593344.

The previous prime is 316909657. The next prime is 316909693. The reversal of 316909680 is 86909613.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15807 + ... + 29726.

It is an arithmetic number, because the mean of its divisors is an integer number (12703986).

Almost surely, 2^316909680 is an apocalyptic number.

316909680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

316909680 is an abundant number, since it is smaller than the sum of its proper divisors (699409200).

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

316909680 is a wasteful number, since it uses less digits than its factorization.

316909680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45578 (or 45572 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 316909680 is about 17801.9571957692. The cubic root of 316909680 is about 681.7814305201.

The spelling of 316909680 in words is "three hundred sixteen million, nine hundred nine thousand, six hundred eighty".