315199986660 has 120 divisors (see below), whose sum is σ = 1064855182776. Its totient is φ = 77587683840.

The previous prime is 315199986659. The next prime is 315199986691. The reversal of 315199986660 is 66689991513.

It can be written as a sum of positive squares in 4 ways, for example, as 20637620964 + 294562365696 = 143658^2 + 542736^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7462321 + ... + 7504440.

Almost surely, 2^315199986660 is an apocalyptic number.

315199986660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315199986660 is an abundant number, since it is smaller than the sum of its proper divisors (749655196116).

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

315199986660 is a wasteful number, since it uses less digits than its factorization.

315199986660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14966795 (or 14966784 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The spelling of 315199986660 in words is "three hundred fifteen billion, one hundred ninety-nine million, nine hundred eighty-six thousand, six hundred sixty".