312605618164 has 24 divisors (see below), whose sum is σ = 632236086720. Its totient is φ = 132468511296.

The previous prime is 312605618123. The next prime is 312605618177. The reversal of 312605618164 is 461816506213.

It is a self number, because there is not a number n which added to its sum of digits gives 312605618164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62719342 + ... + 62724325.

It is an arithmetic number, because the mean of its divisors is an integer number (26343170280).

Almost surely, 2^312605618164 is an apocalyptic number.

It is an amenable number.

312605618164 is an abundant number, since it is smaller than the sum of its proper divisors (319630468556).

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

312605618164 is a wasteful number, since it uses less digits than its factorization.

312605618164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125443767 (or 125443765 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 312605618164 in words is "three hundred twelve billion, six hundred five million, six hundred eighteen thousand, one hundred sixty-four".