166666685182 has 16 divisors (see below), whose sum is σ = 257793619104. Its totient is φ = 80762400000.

The previous prime is 166666685149. The next prime is 166666685209. The reversal of 166666685182 is 281586666661.

It is a self number, because there is not a number n which added to its sum of digits gives 166666685182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6717819 + ... + 6742582.

It is an arithmetic number, because the mean of its divisors is an integer number (16112101194).

Almost surely, 2^166666685182 is an apocalyptic number.

166666685182 is a deficient number, since it is larger than the sum of its proper divisors (91126933922).

166666685182 is a wasteful number, since it uses less digits than its factorization.

166666685182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460595.

The product of its digits is 29859840, while the sum is 61.

The spelling of 166666685182 in words is "one hundred sixty-six billion, six hundred sixty-six million, six hundred eighty-five thousand, one hundred eighty-two".