318623412018 has 8 divisors (see below), whose sum is σ = 637246824048. Its totient is φ = 106207804004.

The previous prime is 318623411983. The next prime is 318623412043. The reversal of 318623412018 is 810214326813.

It is a sphenic number, since it is the product of 3 distinct primes.

318623412018 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26551950996 + ... + 26551951007.

It is an arithmetic number, because the mean of its divisors is an integer number (79655853006).

Almost surely, 2^318623412018 is an apocalyptic number.

318623412018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

318623412018 is a wasteful number, since it uses less digits than its factorization.

318623412018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53103902008.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 318623412018 in words is "three hundred eighteen billion, six hundred twenty-three million, four hundred twelve thousand, eighteen".