318582661531968 has 168 divisors, whose sum is σ = 966887540236800. Its totient is φ = 99946200453120.

The previous prime is 318582661531919. The next prime is 318582661531987. The reversal of 318582661531968 is 869135166285813.

318582661531968 is a `hidden beast` number, since 3 + 1 + 8 + 5 + 8 + 26 + 6 + 1 + 531 + 9 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 318582661531896 and 318582661531905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 986862423 + ... + 987185193.

It is an arithmetic number, because the mean of its divisors is an integer number (5755282977600).

Almost surely, 2^{318582661531968} is an apocalyptic number.

It is an amenable number.

318582661531968 is an abundant number, since it is smaller than the sum of its proper divisors (648304878704832).

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

318582661531968 is a wasteful number, since it uses less digits than its factorization.

318582661531968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423605 (or 423592 counting only the distinct ones).

The product of its digits is 447897600, while the sum is 72.

The spelling of 318582661531968 in words is "three hundred eighteen trillion, five hundred eighty-two billion, six hundred sixty-one million, five hundred thirty-one thousand, nine hundred sixty-eight".