6315316520 has 64 divisors (see below), whose sum is σ = 15168124800. Its totient is φ = 2359445760.

The previous prime is 6315316493. The next prime is 6315316531. The reversal of 6315316520 is 256135136.

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, 4559 + ... + 112478.

It is an arithmetic number, because the mean of its divisors is an integer number (237001950).

Almost surely, 2^6315316520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6315316520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7584062400).

6315316520 is an abundant number, since it is smaller than the sum of its proper divisors (8852808280).

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

6315316520 is a wasteful number, since it uses less digits than its factorization.

6315316520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117138 (or 117134 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 6315316520 is about 79468.9657665179. The cubic root of 6315316520 is about 1848.4102749369.

The spelling of 6315316520 in words is "six billion, three hundred fifteen million, three hundred sixteen thousand, five hundred twenty".