166606611166 has 8 divisors (see below), whose sum is σ = 249970396104. Its totient is φ = 83283145800.

The previous prime is 166606611161. The next prime is 166606611173. The reversal of 166606611166 is 661116606661.

166606611166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166606611161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10069560 + ... + 10086091.

It is an arithmetic number, because the mean of its divisors is an integer number (31246299513).

Almost surely, 2^166606611166 is an apocalyptic number.

166606611166 is a deficient number, since it is larger than the sum of its proper divisors (83363784938).

166606611166 is a wasteful number, since it uses less digits than its factorization.

166606611166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20159786.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 166606611166 in words is "one hundred sixty-six billion, six hundred six million, six hundred eleven thousand, one hundred sixty-six".