318866866672 has 10 divisors (see below), whose sum is σ = 617804554208. Its totient is φ = 159433433328.

The previous prime is 318866866657. The next prime is 318866866763. The reversal of 318866866672 is 276668668813.

It is a super-2 number, since 2×318866866672² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 318866866598 and 318866866607.

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, 9964589568 + ... + 9964589599.

Almost surely, 2^318866866672 is an apocalyptic number.

It is an amenable number.

318866866672 is a deficient number, since it is larger than the sum of its proper divisors (298937687536).

318866866672 is a wasteful number, since it uses less digits than its factorization.

318866866672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19929179175 (or 19929179169 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 67.

The spelling of 318866866672 in words is "three hundred eighteen billion, eight hundred sixty-six million, eight hundred sixty-six thousand, six hundred seventy-two".