8315130816 has 140 divisors (see below), whose sum is σ = 25946257480. Its totient is φ = 2625799680.

The previous prime is 8315130809. The next prime is 8315130841. The reversal of 8315130816 is 6180315138.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56286 + ... + 140706.

Almost surely, 2^8315130816 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 8315130816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12973128740).

8315130816 is an abundant number, since it is smaller than the sum of its proper divisors (17631126664).

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

8315130816 is a wasteful number, since it uses less digits than its factorization.

8315130816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84464 (or 84445 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 8315130816 is about 91187.3391211741. The cubic root of 8315130816 is about 2025.9234372678.

The spelling of 8315130816 in words is "eight billion, three hundred fifteen million, one hundred thirty thousand, eight hundred sixteen".