66500116116610 has 32 divisors (see below), whose sum is σ = 130582465215552. Its totient is φ = 24181782809280.

The previous prime is 66500116116563. The next prime is 66500116116667. The reversal of 66500116116610 is 1661161100566.

66500116116610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66500116116610² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42132444 + ... + 43682296.

It is an arithmetic number, because the mean of its divisors is an integer number (4080702037986).

Almost surely, 2^{66500116116610} is an apocalyptic number.

66500116116610 is a deficient number, since it is larger than the sum of its proper divisors (64082349098942).

66500116116610 is a wasteful number, since it uses less digits than its factorization.

66500116116610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939938.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 66500116116610 in words is "sixty-six trillion, five hundred billion, one hundred sixteen million, one hundred sixteen thousand, six hundred ten".