6600564432 has 720 divisors, whose sum is σ = 26001585792. Its totient is φ = 1512898560.

The previous prime is 6600564331. The next prime is 6600564437. The reversal of 6600564432 is 2344650066.

6600564432 is a `hidden beast` number, since 6 + 6 + 0 + 0 + 5 + 644 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6600564437) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 68047008 + ... + 68047104.

Almost surely, 2^6600564432 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 6600564432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13000792896).

6600564432 is an abundant number, since it is smaller than the sum of its proper divisors (19401021360).

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

6600564432 is a wasteful number, since it uses less digits than its factorization.

6600564432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 6600564432 is about 81243.8578109139. The cubic root of 6600564432 is about 1875.8309260053.

The spelling of 6600564432 in words is "six billion, six hundred million, five hundred sixty-four thousand, four hundred thirty-two".