316340628686 has 4 divisors (see below), whose sum is σ = 474510943032. Its totient is φ = 158170314342.

The previous prime is 316340628647. The next prime is 316340628713. The reversal of 316340628686 is 686826043613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 686826043613 = 2551 ⋅269237963.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79085157170 + ... + 79085157173.

It is an arithmetic number, because the mean of its divisors is an integer number (118627735758).

Almost surely, 2^316340628686 is an apocalyptic number.

316340628686 is a deficient number, since it is larger than the sum of its proper divisors (158170314346).

316340628686 is a wasteful number, since it uses less digits than its factorization.

316340628686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158170314345.

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 316340628686 in words is "three hundred sixteen billion, three hundred forty million, six hundred twenty-eight thousand, six hundred eighty-six".