318669881372 has 6 divisors (see below), whose sum is σ = 557672292408. Its totient is φ = 159334940684.

The previous prime is 318669881357. The next prime is 318669881443. The reversal of 318669881372 is 273188966813.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39833735168 + ... + 39833735175.

It is an arithmetic number, because the mean of its divisors is an integer number (92945382068).

Almost surely, 2^318669881372 is an apocalyptic number.

It is an amenable number.

318669881372 is a deficient number, since it is larger than the sum of its proper divisors (239002411036).

318669881372 is a wasteful number, since it uses less digits than its factorization.

318669881372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79667470347 (or 79667470345 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 62.

The spelling of 318669881372 in words is "three hundred eighteen billion, six hundred sixty-nine million, eight hundred eighty-one thousand, three hundred seventy-two".