318672221107 has 8 divisors (see below), whose sum is σ = 337446221616. Its totient is φ = 299901395712.

The previous prime is 318672221027. The next prime is 318672221129. The reversal of 318672221107 is 701122276813.

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

It is a cyclic number.

It is not a de Polignac number, because 318672221107 - 2²⁷ = 318538003379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 318672221107.

It is not an unprimeable number, because it can be changed into a prime (318672221167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585573 + ... + 990070.

It is an arithmetic number, because the mean of its divisors is an integer number (42180777702).

Almost surely, 2^318672221107 is an apocalyptic number.

318672221107 is a deficient number, since it is larger than the sum of its proper divisors (18774000509).

318672221107 is a wasteful number, since it uses less digits than its factorization.

318672221107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587557.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 318672221107 in words is "three hundred eighteen billion, six hundred seventy-two million, two hundred twenty-one thousand, one hundred seven".