6520799232 has 96 divisors (see below), whose sum is σ = 18838428960. Its totient is φ = 2173501440.

The previous prime is 6520799227. The next prime is 6520799237. The reversal of 6520799232 is 2329970256.

It is a happy number.

6520799232 is a `hidden beast` number, since 6 + 520 + 7 + 9 + 92 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (6520799227) and next prime (6520799237).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520799237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283857 + ... + 305967.

It is an arithmetic number, because the mean of its divisors is an integer number (196233635).

Almost surely, 2^6520799232 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 6520799232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9419214480).

6520799232 is an abundant number, since it is smaller than the sum of its proper divisors (12317629728).

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

6520799232 is an equidigital number, since it uses as much as digits as its factorization.

6520799232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22147 (or 22116 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 6520799232 is about 80751.4658195131. The cubic root of 6520799232 is about 1868.2440580630.

The spelling of 6520799232 in words is "six billion, five hundred twenty million, seven hundred ninety-nine thousand, two hundred thirty-two".