6560221368 has 64 divisors (see below), whose sum is σ = 17124307200. Its totient is φ = 2090359040.

The previous prime is 6560221363. The next prime is 6560221373. The reversal of 6560221368 is 8631220656.

It is an interprime number because it is at equal distance from previous prime (6560221363) and next prime (6560221373).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6560221363) 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, 1288588 + ... + 1293668.

It is an arithmetic number, because the mean of its divisors is an integer number (267567300).

Almost surely, 2^6560221368 is an apocalyptic number.

It is an amenable number.

6560221368 is an abundant number, since it is smaller than the sum of its proper divisors (10564085832).

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

6560221368 is a wasteful number, since it uses less digits than its factorization.

6560221368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7452 (or 7448 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 6560221368 is about 80995.1934870212. The cubic root of 6560221368 is about 1872.0013811262.

The spelling of 6560221368 in words is "six billion, five hundred sixty million, two hundred twenty-one thousand, three hundred sixty-eight".