6566928432 has 80 divisors (see below), whose sum is σ = 17623872000. Its totient is φ = 2104544512.

The previous prime is 6566928427. The next prime is 6566928437. The reversal of 6566928432 is 2348296656.

It is an interprime number because it is at equal distance from previous prime (6566928427) and next prime (6566928437).

It is not an unprimeable number, because it can be changed into a prime (6566928437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322819 + ... + 342557.

It is an arithmetic number, because the mean of its divisors is an integer number (220298400).

Almost surely, 2^6566928432 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 6566928432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8811936000).

6566928432 is an abundant number, since it is smaller than the sum of its proper divisors (11056943568).

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

6566928432 is a wasteful number, since it uses less digits than its factorization.

6566928432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20018 (or 20012 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 51.

The square root of 6566928432 is about 81036.5869962451. The cubic root of 6566928432 is about 1872.6391317906.

The spelling of 6566928432 in words is "six billion, five hundred sixty-six million, nine hundred twenty-eight thousand, four hundred thirty-two".