6598428864 has 112 divisors (see below), whose sum is σ = 18250936320. Its totient is φ = 2101432320.

The previous prime is 6598428857. The next prime is 6598428913. The reversal of 6598428864 is 4688248956.

It is a junction number, because it is equal to n+sod(n) for n = 6598428798 and 6598428807.

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, 463192 + ... + 477224.

Almost surely, 2^6598428864 is an apocalyptic number.

6598428864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6598428864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9125468160).

6598428864 is an abundant number, since it is smaller than the sum of its proper divisors (11652507456).

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

6598428864 is a wasteful number, since it uses less digits than its factorization.

6598428864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14158 (or 14148 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 60.

The square root of 6598428864 is about 81230.7137971839. The cubic root of 6598428864 is about 1875.6286000451.

The spelling of 6598428864 in words is "six billion, five hundred ninety-eight million, four hundred twenty-eight thousand, eight hundred sixty-four".