11660666664 has 48 divisors (see below), whose sum is σ = 29880128160. Its totient is φ = 3792073600.

The previous prime is 11660666663. The next prime is 11660666683. The reversal of 11660666664 is 46666606611.

11660666664 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 2×11660666664² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11660666663) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 104172 + ... + 184859.

It is an arithmetic number, because the mean of its divisors is an integer number (622502670).

Almost surely, 2^11660666664 is an apocalyptic number.

It is an amenable number.

11660666664 is an abundant number, since it is smaller than the sum of its proper divisors (18219461496).

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

11660666664 is a wasteful number, since it uses less digits than its factorization.

11660666664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289122 (or 289077 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 11660666664 in words is "eleven billion, six hundred sixty million, six hundred sixty-six thousand, six hundred sixty-four".