316438215568 has 10 divisors (see below), whose sum is σ = 613099042694. Its totient is φ = 158219107776.

The previous prime is 316438215559. The next prime is 316438215617. The reversal of 316438215568 is 865512834613.

It can be written as a sum of positive squares in only one way, i.e., 290081342464 + 26356873104 = 538592^2 + 162348^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9888694221 + ... + 9888694252.

Almost surely, 2^316438215568 is an apocalyptic number.

It is an amenable number.

316438215568 is a deficient number, since it is larger than the sum of its proper divisors (296660827126).

316438215568 is a wasteful number, since it uses less digits than its factorization.

316438215568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19777388481 (or 19777388475 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 52.

The spelling of 316438215568 in words is "three hundred sixteen billion, four hundred thirty-eight million, two hundred fifteen thousand, five hundred sixty-eight".