12660166302808 has 16 divisors (see below), whose sum is σ = 24072147196560. Its totient is φ = 6240927050400.

The previous prime is 12660166302779. The next prime is 12660166302869. The reversal of 12660166302808 is 80820366106621.

It is a happy number.

12660166302808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11144512023 + ... + 11144513158.

It is an arithmetic number, because the mean of its divisors is an integer number (1504509199785).

Almost surely, 2^{12660166302808} is an apocalyptic number.

It is an amenable number.

12660166302808 is a deficient number, since it is larger than the sum of its proper divisors (11411980893752).

12660166302808 is a wasteful number, since it uses less digits than its factorization.

12660166302808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22289025258 (or 22289025254 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 12660166302808 in words is "twelve trillion, six hundred sixty billion, one hundred sixty-six million, three hundred two thousand, eight hundred eight".