316520987796 has 60 divisors (see below), whose sum is σ = 891098272372. Its totient is φ = 97391071872.

The previous prime is 316520987773. The next prime is 316520987843. The reversal of 316520987796 is 697789025613.

316520987796 is a `hidden beast` number, since 3 + 16 + 520 + 9 + 8 + 7 + 7 + 96 = 666.

316520987796 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 109574240400 + 206946747396 = 331020^2 + 454914^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37569505 + ... + 37577928.

Almost surely, 2^316520987796 is an apocalyptic number.

316520987796 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

316520987796 is an abundant number, since it is smaller than the sum of its proper divisors (574577284576).

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

316520987796 is a wasteful number, since it uses less digits than its factorization.

316520987796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75147462 (or 75147451 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 316520987796 in words is "three hundred sixteen billion, five hundred twenty million, nine hundred eighty-seven thousand, seven hundred ninety-six".