316320651655 has 4 divisors (see below), whose sum is σ = 379584781992. Its totient is φ = 253056521320.

The previous prime is 316320651649. The next prime is 316320651679. The reversal of 316320651655 is 556156023613.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 316320651655 - 2⁷ = 316320651527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31632065161 + ... + 31632065170.

It is an arithmetic number, because the mean of its divisors is an integer number (94896195498).

Almost surely, 2^316320651655 is an apocalyptic number.

316320651655 is a deficient number, since it is larger than the sum of its proper divisors (63264130337).

316320651655 is an equidigital number, since it uses as much as digits as its factorization.

316320651655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63264130336.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 316320651655 in words is "three hundred sixteen billion, three hundred twenty million, six hundred fifty-one thousand, six hundred fifty-five".