318664063655516 has 12 divisors (see below), whose sum is σ = 557674514401032. Its totient is φ = 159328488112368.

The previous prime is 318664063655503. The next prime is 318664063655519. The reversal of 318664063655516 is 615556360466813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318664063655519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885726515 + ... + 886086218.

It is an arithmetic number, because the mean of its divisors is an integer number (46472876200086).

Almost surely, 2^{318664063655516} is an apocalyptic number.

It is an amenable number.

318664063655516 is a deficient number, since it is larger than the sum of its proper divisors (239010450745516).

318664063655516 is a wasteful number, since it uses less digits than its factorization.

318664063655516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771857700 (or 1771857698 counting only the distinct ones).

The product of its (nonzero) digits is 279936000, while the sum is 65.

The spelling of 318664063655516 in words is "three hundred eighteen trillion, six hundred sixty-four billion, sixty-three million, six hundred fifty-five thousand, five hundred sixteen".