316356638456 has 8 divisors (see below), whose sum is σ = 593168697120. Its totient is φ = 158178319224.

The previous prime is 316356638453. The next prime is 316356638471. The reversal of 316356638456 is 654836653613.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316356638453) by changing a digit.

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, 19772289896 + ... + 19772289911.

It is an arithmetic number, because the mean of its divisors is an integer number (74146087140).

Almost surely, 2^316356638456 is an apocalyptic number.

It is an amenable number.

316356638456 is a deficient number, since it is larger than the sum of its proper divisors (276812058664).

316356638456 is a wasteful number, since it uses less digits than its factorization.

316356638456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39544579813 (or 39544579809 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 56.

The spelling of 316356638456 in words is "three hundred sixteen billion, three hundred fifty-six million, six hundred thirty-eight thousand, four hundred fifty-six".