315199986666 has 8 divisors (see below), whose sum is σ = 630399973344. Its totient is φ = 105066662220.

The previous prime is 315199986659. The next prime is 315199986691. The reversal of 315199986666 is 666689991513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

315199986666 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 315199986666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26266665550 + ... + 26266665561.

It is an arithmetic number, because the mean of its divisors is an integer number (78799996668).

Almost surely, 2^315199986666 is an apocalyptic number.

315199986666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

315199986666 is a wasteful number, since it uses less digits than its factorization.

315199986666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52533331116.

The product of its digits is 113374080, while the sum is 69.

The spelling of 315199986666 in words is "three hundred fifteen billion, one hundred ninety-nine million, nine hundred eighty-six thousand, six hundred sixty-six".