316616644808 has 8 divisors (see below), whose sum is σ = 593656209030. Its totient is φ = 158308322400.

The previous prime is 316616644807. The next prime is 316616644819. The reversal of 316616644808 is 808446616613.

It can be written as a sum of positive squares in only one way, i.e., 266109476164 + 50507168644 = 515858^2 + 224738^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 316616644808.

It is not an unprimeable number, because it can be changed into a prime (316616644807) 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, 19788540293 + ... + 19788540308.

Almost surely, 2^316616644808 is an apocalyptic number.

It is an amenable number.

316616644808 is a deficient number, since it is larger than the sum of its proper divisors (277039564222).

316616644808 is a wasteful number, since it uses less digits than its factorization.

316616644808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39577080607 (or 39577080603 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 316616644808 in words is "three hundred sixteen billion, six hundred sixteen million, six hundred forty-four thousand, eight hundred eight".