318648406814 has 16 divisors (see below), whose sum is σ = 485834346576. Its totient is φ = 156703905600.

The previous prime is 318648406807. The next prime is 318648406847. The reversal of 318648406814 is 418604846813.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2632994 + ... + 2751354.

It is an arithmetic number, because the mean of its divisors is an integer number (30364646661).

Almost surely, 2^318648406814 is an apocalyptic number.

318648406814 is a deficient number, since it is larger than the sum of its proper divisors (167185939762).

318648406814 is a wasteful number, since it uses less digits than its factorization.

318648406814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140491.

The product of its (nonzero) digits is 3538944, while the sum is 53.

The spelling of 318648406814 in words is "three hundred eighteen billion, six hundred forty-eight million, four hundred six thousand, eight hundred fourteen".