318668760851 has 12 divisors (see below), whose sum is σ = 371903811048. Its totient is φ = 272254917312.

The previous prime is 318668760833. The next prime is 318668760871. The reversal of 318668760851 is 158067866813.

It is a de Polignac number, because none of the positive numbers 2^k-318668760851 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (318668760821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10576886 + ... + 10606971.

It is an arithmetic number, because the mean of its divisors is an integer number (30991984254).

Almost surely, 2^318668760851 is an apocalyptic number.

318668760851 is a deficient number, since it is larger than the sum of its proper divisors (53235050197).

318668760851 is a wasteful number, since it uses less digits than its factorization.

318668760851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21184178 (or 21184171 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 318668760851 in words is "three hundred eighteen billion, six hundred sixty-eight million, seven hundred sixty thousand, eight hundred fifty-one".