66560116056610 has 16 divisors (see below), whose sum is σ = 130699864256832. Its totient is φ = 24203678566000.

The previous prime is 66560116056589. The next prime is 66560116056613. The reversal of 66560116056610 is 1665061106566.

It is not an unprimeable number, because it can be changed into a prime (66560116056613) 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 7 ways as a sum of consecutive naturals, for example, 302545981966 + ... + 302545982185.

It is an arithmetic number, because the mean of its divisors is an integer number (8168741516052).

Almost surely, 2^{66560116056610} is an apocalyptic number.

66560116056610 is a deficient number, since it is larger than the sum of its proper divisors (64139748200222).

66560116056610 is a wasteful number, since it uses less digits than its factorization.

66560116056610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605091964169.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 66560116056610 in words is "sixty-six trillion, five hundred sixty billion, one hundred sixteen million, fifty-six thousand, six hundred ten".