6564015460 has 48 divisors (see below), whose sum is σ = 14182027776. Its totient is φ = 2550949632.

The previous prime is 6564015457. The next prime is 6564015461. The reversal of 6564015460 is 645104656.

It is not an unprimeable number, because it can be changed into a prime (6564015461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64269 + ... + 131371.

It is an arithmetic number, because the mean of its divisors is an integer number (295458912).

Almost surely, 2^6564015460 is an apocalyptic number.

It is an amenable number.

6564015460 is an abundant number, since it is smaller than the sum of its proper divisors (7618012316).

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

6564015460 is a wasteful number, since it uses less digits than its factorization.

6564015460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67252 (or 67250 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 6564015460 is about 81018.6118123484. The cubic root of 6564015460 is about 1872.3622010974.

The spelling of 6564015460 in words is "six billion, five hundred sixty-four million, fifteen thousand, four hundred sixty".