316616643847 has 16 divisors (see below), whose sum is σ = 370718397504. Its totient is φ = 264734208000.

The previous prime is 316616643821. The next prime is 316616643869. The reversal of 316616643847 is 748346616613.

It is a cyclic number.

It is not a de Polignac number, because 316616643847 - 2²⁷ = 316482426119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316616643817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2451447 + ... + 2577367.

It is an arithmetic number, because the mean of its divisors is an integer number (23169899844).

Almost surely, 2^316616643847 is an apocalyptic number.

316616643847 is a deficient number, since it is larger than the sum of its proper divisors (54101753657).

316616643847 is a wasteful number, since it uses less digits than its factorization.

316616643847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134730.

The product of its digits is 10450944, while the sum is 55.

The spelling of 316616643847 in words is "three hundred sixteen billion, six hundred sixteen million, six hundred forty-three thousand, eight hundred forty-seven".