11664305655666 has 32 divisors (see below), whose sum is σ = 23889883115520. Its totient is φ = 3795007406736.

The previous prime is 11664305655649. The next prime is 11664305655671. The reversal of 11664305655666 is 66655650346611.

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, 56249076 + ... + 56456063.

It is an arithmetic number, because the mean of its divisors is an integer number (746558847360).

Almost surely, 2^{11664305655666} is an apocalyptic number.

11664305655666 is an abundant number, since it is smaller than the sum of its proper divisors (12225577459854).

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

11664305655666 is a wasteful number, since it uses less digits than its factorization.

11664305655666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112705558.

The product of its (nonzero) digits is 69984000, while the sum is 60.

The spelling of 11664305655666 in words is "eleven trillion, six hundred sixty-four billion, three hundred five million, six hundred fifty-five thousand, six hundred sixty-six".