316587678661 has 8 divisors (see below), whose sum is σ = 318915455040. Its totient is φ = 314260619232.

The previous prime is 316587678637. The next prime is 316587678683. The reversal of 316587678661 is 166876785613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316587678661 - 2¹⁵ = 316587645893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316587678593 and 316587678602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316587678161) 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 in 7 ways as a sum of consecutive naturals, for example, 723816 + ... + 1075678.

It is an arithmetic number, because the mean of its divisors is an integer number (39864431880).

Almost surely, 2^316587678661 is an apocalyptic number.

It is an amenable number.

316587678661 is a deficient number, since it is larger than the sum of its proper divisors (2327776379).

316587678661 is a wasteful number, since it uses less digits than its factorization.

316587678661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358475.

The product of its digits is 60963840, while the sum is 64.

The spelling of 316587678661 in words is "three hundred sixteen billion, five hundred eighty-seven million, six hundred seventy-eight thousand, six hundred sixty-one".