316356451686 has 96 divisors (see below), whose sum is σ = 775826408448. Its totient is φ = 95818580640.

The previous prime is 316356451673. The next prime is 316356451709. The reversal of 316356451686 is 686154653613.

316356451686 is a `hidden beast` number, since 3 + 1 + 63 + 5 + 64 + 516 + 8 + 6 = 666.

316356451686 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11785216 + ... + 11812028.

It is an arithmetic number, because the mean of its divisors is an integer number (8081525088).

Almost surely, 2^316356451686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316356451686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387913204224).

316356451686 is an abundant number, since it is smaller than the sum of its proper divisors (459469956762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316356451686 is a wasteful number, since it uses less digits than its factorization.

316356451686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29048 (or 29036 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 316356451686 in words is "three hundred sixteen billion, three hundred fifty-six million, four hundred fifty-one thousand, six hundred eighty-six".