316616644663 has 12 divisors (see below), whose sum is σ = 347939773272. Its totient is φ = 285732153920.

The previous prime is 316616644639. The next prime is 316616644717. The reversal of 316616644663 is 366446616613.

It is a de Polignac number, because none of the positive numbers 2^k-316616644663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316616644663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316616647663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560320 + ... + 973237.

It is an arithmetic number, because the mean of its divisors is an integer number (28994981106).

Almost surely, 2^316616644663 is an apocalyptic number.

316616644663 is a deficient number, since it is larger than the sum of its proper divisors (31323128609).

316616644663 is a wasteful number, since it uses less digits than its factorization.

316616644663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533842 (or 1533705 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 52.

The spelling of 316616644663 in words is "three hundred sixteen billion, six hundred sixteen million, six hundred forty-four thousand, six hundred sixty-three".