316510091640 has 96 divisors (see below), whose sum is σ = 1042749087120. Its totient is φ = 83246482944.

The previous prime is 316510091609. The next prime is 316510091731. The reversal of 316510091640 is 46190015613.

316510091640 is a `hidden beast` number, since 3 + 1 + 6 + 5 + 1 + 0 + 0 + 9 + 1 + 640 = 666.

It is a super-2 number, since 2×316510091640² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 316510091595 and 316510091604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5995602 + ... + 6048161.

Almost surely, 2^316510091640 is an apocalyptic number.

316510091640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

316510091640 is an abundant number, since it is smaller than the sum of its proper divisors (726238995480).

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

316510091640 is a wasteful number, since it uses less digits than its factorization.

316510091640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043853 (or 12043846 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 316510091640 in words is "three hundred sixteen billion, five hundred ten million, ninety-one thousand, six hundred forty".