316716646 has 16 divisors (see below), whose sum is σ = 495918720. Its totient is φ = 151525440.

The previous prime is 316716637. The next prime is 316716689. The reversal of 316716646 is 646617613.

It is a junction number, because it is equal to n+sod(n) for n = 316716599 and 316716608.

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, 23181 + ... + 34216.

It is an arithmetic number, because the mean of its divisors is an integer number (30994920).

Almost surely, 2^316716646 is an apocalyptic number.

316716646 is a deficient number, since it is larger than the sum of its proper divisors (179202074).

316716646 is a wasteful number, since it uses less digits than its factorization.

316716646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57519.

The product of its digits is 108864, while the sum is 40.

The square root of 316716646 is about 17796.5346626808. The cubic root of 316716646 is about 681.6429749545.

The spelling of 316716646 in words is "three hundred sixteen million, seven hundred sixteen thousand, six hundred forty-six".