318875266465 has 32 divisors (see below), whose sum is σ = 449568138240. Its totient is φ = 212542009344.

The previous prime is 318875266403. The next prime is 318875266487. The reversal of 318875266465 is 564662578813.

It is a happy number.

It is not a de Polignac number, because 318875266465 - 2⁷ = 318875266337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1227009 + ... + 1464001.

It is an arithmetic number, because the mean of its divisors is an integer number (14049004320).

Almost surely, 2^318875266465 is an apocalyptic number.

318875266465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

318875266465 is a deficient number, since it is larger than the sum of its proper divisors (130692871775).

318875266465 is a wasteful number, since it uses less digits than its factorization.

318875266465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238081.

The product of its digits is 58060800, while the sum is 61.

The spelling of 318875266465 in words is "three hundred eighteen billion, eight hundred seventy-five million, two hundred sixty-six thousand, four hundred sixty-five".