6317617992 has 128 divisors (see below), whose sum is σ = 18332160000. Its totient is φ = 1776992256.

The previous prime is 6317617961. The next prime is 6317617997. The reversal of 6317617992 is 2997167136.

It is a super-2 number, since 2×6317617992² = 79824594185684224128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6317617997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8214984 + ... + 8215752.

It is an arithmetic number, because the mean of its divisors is an integer number (143220000).

Almost surely, 2^6317617992 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 6317617992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9166080000).

6317617992 is an abundant number, since it is smaller than the sum of its proper divisors (12014542008).

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

6317617992 is a wasteful number, since it uses less digits than its factorization.

6317617992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483 (or 1479 counting only the distinct ones).

The product of its digits is 857304, while the sum is 51.

The square root of 6317617992 is about 79483.4447668192. Note that the first 3 decimals coincide. The cubic root of 6317617992 is about 1848.6347845514.

The spelling of 6317617992 in words is "six billion, three hundred seventeen million, six hundred seventeen thousand, nine hundred ninety-two".