6561482996 has 24 divisors (see below), whose sum is σ = 12304535040. Its totient is φ = 3050552192.

The previous prime is 6561482981. The next prime is 6561482999. The reversal of 6561482996 is 6992841656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6561482999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575636 + ... + 586923.

It is an arithmetic number, because the mean of its divisors is an integer number (512688960).

Almost surely, 2^6561482996 is an apocalyptic number.

It is an amenable number.

6561482996 is a deficient number, since it is larger than the sum of its proper divisors (5743052044).

6561482996 is a wasteful number, since it uses less digits than its factorization.

6561482996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162663 (or 1162661 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 56.

The square root of 6561482996 is about 81002.9814019213. The cubic root of 6561482996 is about 1872.1213779901.

The spelling of 6561482996 in words is "six billion, five hundred sixty-one million, four hundred eighty-two thousand, nine hundred ninety-six".