316691616 has 24 divisors (see below), whose sum is σ = 831315744. Its totient is φ = 105563840.

The previous prime is 316691587. The next prime is 316691651. The reversal of 316691616 is 616196613.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649340 + ... + 1649531.

It is an arithmetic number, because the mean of its divisors is an integer number (34638156).

Almost surely, 2^316691616 is an apocalyptic number.

It is an amenable number.

316691616 is an abundant number, since it is smaller than the sum of its proper divisors (514624128).

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

316691616 is a wasteful number, since it uses less digits than its factorization.

316691616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298884 (or 3298876 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 316691616 is about 17795.8314219932. The cubic root of 316691616 is about 681.6250178170.

The spelling of 316691616 in words is "three hundred sixteen million, six hundred ninety-one thousand, six hundred sixteen".