166950345186 has 64 divisors (see below), whose sum is σ = 387582935040. Its totient is φ = 53206050960.

The previous prime is 166950345143. The next prime is 166950345209. The reversal of 166950345186 is 681543059661.

166950345186 is a `hidden beast` number, since 1 + 6 + 6 + 9 + 503 + 4 + 51 + 86 = 666.

166950345186 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461850 + ... + 739733.

It is an arithmetic number, because the mean of its divisors is an integer number (6055983360).

Almost surely, 2^166950345186 is an apocalyptic number.

166950345186 is an abundant number, since it is smaller than the sum of its proper divisors (220632589854).

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

166950345186 is a wasteful number, since it uses less digits than its factorization.

166950345186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201708 (or 1201702 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 166950345186 in words is "one hundred sixty-six billion, nine hundred fifty million, three hundred forty-five thousand, one hundred eighty-six".