6599359620 has 144 divisors (see below), whose sum is σ = 22901144448. Its totient is φ = 1506885120.

The previous prime is 6599359619. The next prime is 6599359633. The reversal of 6599359620 is 269539956.

6599359620 is a `hidden beast` number, since 6 + 5 + 9 + 9 + 3 + 5 + 9 + 620 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1624632 + ... + 1628688.

Almost surely, 2^6599359620 is an apocalyptic number.

6599359620 is a gapful number since it is divisible by the number (60) 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 6599359620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11450572224).

6599359620 is an abundant number, since it is smaller than the sum of its proper divisors (16301784828).

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

6599359620 is a wasteful number, since it uses less digits than its factorization.

6599359620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 54.

The square root of 6599359620 is about 81236.4426843027. The cubic root of 6599359620 is about 1875.7167862144.

The spelling of 6599359620 in words is "six billion, five hundred ninety-nine million, three hundred fifty-nine thousand, six hundred twenty".