5991798956 has 24 divisors (see below), whose sum is σ = 12318804624. Its totient is φ = 2514041280.

The previous prime is 5991798949. The next prime is 5991798991. The reversal of 5991798956 is 6598971995.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5237015 + ... + 5238158.

It is an arithmetic number, because the mean of its divisors is an integer number (513283526).

Almost surely, 2^5991798956 is an apocalyptic number.

It is an amenable number.

5991798956 is an abundant number, since it is smaller than the sum of its proper divisors (6327005668).

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

5991798956 is a wasteful number, since it uses less digits than its factorization.

5991798956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475201 (or 10475199 counting only the distinct ones).

The product of its digits is 55112400, while the sum is 68.

The square root of 5991798956 is about 77406.7113111002. The cubic root of 5991798956 is about 1816.2923105666.

The spelling of 5991798956 in words is "five billion, nine hundred ninety-one million, seven hundred ninety-eight thousand, nine hundred fifty-six".