8130997616 has 20 divisors (see below), whose sum is σ = 18004352112. Its totient is φ = 3484713216.

The previous prime is 8130997613. The next prime is 8130997619. The reversal of 8130997616 is 6167990318.

It is an interprime number because it is at equal distance from previous prime (8130997613) and next prime (8130997619).

It is a super-2 number, since 2×8130997616² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130997613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36298985 + ... + 36299208.

Almost surely, 2^8130997616 is an apocalyptic number.

It is an amenable number.

8130997616 is an abundant number, since it is smaller than the sum of its proper divisors (9873354496).

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

8130997616 is a wasteful number, since it uses less digits than its factorization.

8130997616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72598208 (or 72598202 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 8130997616 is about 90172.0445370959. The cubic root of 8130997616 is about 2010.8574195610.

The spelling of 8130997616 in words is "eight billion, one hundred thirty million, nine hundred ninety-seven thousand, six hundred sixteen".