6520960000 has 220 divisors, whose sum is σ = 17035821792. Its totient is φ = 2489344000.

The previous prime is 6520959971. The next prime is 6520960009. The reversal of 6520960000 is 690256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520960009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14719779 + ... + 14720221.

Almost surely, 2^6520960000 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 6520960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8517910896).

6520960000 is an abundant number, since it is smaller than the sum of its proper divisors (10514861792).

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

6520960000 is an equidigital number, since it uses as much as digits as its factorization.

6520960000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 6520960000 is about 80752.4612627999. The cubic root of 6520960000 is about 1868.2594115691.

The spelling of 6520960000 in words is "six billion, five hundred twenty million, nine hundred sixty thousand".