316680805 has 16 divisors (see below), whose sum is σ = 438153984. Its totient is φ = 215228160.

The previous prime is 316680757. The next prime is 316680821. The reversal of 316680805 is 508086613.

It is a de Polignac number, because none of the positive numbers 2^k-316680805 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 15 ways as a sum of consecutive naturals, for example, 36081 + ... + 43990.

It is an arithmetic number, because the mean of its divisors is an integer number (27384624).

Almost surely, 2^316680805 is an apocalyptic number.

316680805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

316680805 is a deficient number, since it is larger than the sum of its proper divisors (121473179).

316680805 is a wasteful number, since it uses less digits than its factorization.

316680805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80196.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 316680805 is about 17795.5276684902. The cubic root of 316680805 is about 681.6172614471.

The spelling of 316680805 in words is "three hundred sixteen million, six hundred eighty thousand, eight hundred five".