318618812 has 6 divisors (see below), whose sum is σ = 557582928. Its totient is φ = 159309404.

The previous prime is 318618791. The next prime is 318618841. The reversal of 318618812 is 218816813.

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 as a sum of consecutive naturals, namely, 39827348 + ... + 39827355.

It is an arithmetic number, because the mean of its divisors is an integer number (92930488).

Almost surely, 2^318618812 is an apocalyptic number.

It is an amenable number.

318618812 is a deficient number, since it is larger than the sum of its proper divisors (238964116).

318618812 is a wasteful number, since it uses less digits than its factorization.

318618812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79654707 (or 79654705 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 318618812 is about 17849.8966943789. The cubic root of 318618812 is about 683.0048768219.

The spelling of 318618812 in words is "three hundred eighteen million, six hundred eighteen thousand, eight hundred twelve".