6560604066 has 16 divisors (see below), whose sum is σ = 13124368800. Its totient is φ = 2186341248.

The previous prime is 6560604049. The next prime is 6560604073. The reversal of 6560604066 is 6604060656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104271 + ... + 154898.

It is an arithmetic number, because the mean of its divisors is an integer number (820273050).

Almost surely, 2^6560604066 is an apocalyptic number.

6560604066 is an abundant number, since it is smaller than the sum of its proper divisors (6563764734).

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

6560604066 is a wasteful number, since it uses less digits than its factorization.

6560604066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263393.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 6560604066 is about 80997.5559260895. Note that the first 3 decimals coincide. The cubic root of 6560604066 is about 1872.0377821973.

The spelling of 6560604066 in words is "six billion, five hundred sixty million, six hundred four thousand, sixty-six".