316806470505 has 96 divisors (see below), whose sum is σ = 639208627200. Its totient is φ = 142149603456.

The previous prime is 316806470503. The next prime is 316806470521. The reversal of 316806470505 is 505074608613.

316806470505 is a `hidden beast` number, since 3 + 1 + 6 + 80 + 64 + 7 + 0 + 505 = 666.

It is not a de Polignac number, because 316806470505 - 2¹ = 316806470503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (316806470503) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12234582 + ... + 12260448.

It is an arithmetic number, because the mean of its divisors is an integer number (6658423200).

Almost surely, 2^316806470505 is an apocalyptic number.

316806470505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

316806470505 is an abundant number, since it is smaller than the sum of its proper divisors (322402156695).

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

316806470505 is a wasteful number, since it uses less digits than its factorization.

316806470505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26603 (or 26600 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 316806470505 in words is "three hundred sixteen billion, eight hundred six million, four hundred seventy thousand, five hundred five".