6560666610 has 32 divisors (see below), whose sum is σ = 15778506240. Its totient is φ = 1745854848.

The previous prime is 6560666543. The next prime is 6560666657. The reversal of 6560666610 is 166660656.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213907 + ... + 242646.

It is an arithmetic number, because the mean of its divisors is an integer number (493078320).

Almost surely, 2^6560666610 is an apocalyptic number.

6560666610 is an abundant number, since it is smaller than the sum of its proper divisors (9217839630).

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

6560666610 is a wasteful number, since it uses less digits than its factorization.

6560666610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457042.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 6560666610 is about 80997.9420108931. The cubic root of 6560666610 is about 1872.0437310580.

The spelling of 6560666610 in words is "six billion, five hundred sixty million, six hundred sixty-six thousand, six hundred ten".