166766008713 has 16 divisors (see below), whose sum is σ = 232132386816. Its totient is φ = 106293073040.

The previous prime is 166766008709. The next prime is 166766008813. The reversal of 166766008713 is 317800667661.

It is a cyclic number.

It is not a de Polignac number, because 166766008713 - 2² = 166766008709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166766008813) 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 15 ways as a sum of consecutive naturals, for example, 426795 + ... + 718112.

It is an arithmetic number, because the mean of its divisors is an integer number (14508274176).

Almost surely, 2^166766008713 is an apocalyptic number.

It is an amenable number.

166766008713 is a deficient number, since it is larger than the sum of its proper divisors (65366378103).

166766008713 is a wasteful number, since it uses less digits than its factorization.

166766008713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147044.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 166766008713 in words is "one hundred sixty-six billion, seven hundred sixty-six million, eight thousand, seven hundred thirteen".