166019950192 has 20 divisors (see below), whose sum is σ = 335649030480. Its totient is φ = 79400845568.

The previous prime is 166019950163. The next prime is 166019950193. The reversal of 166019950192 is 291059910661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166019950193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225570217 + ... + 225570952.

It is an arithmetic number, because the mean of its divisors is an integer number (16782451524).

Almost surely, 2^166019950192 is an apocalyptic number.

It is an amenable number.

166019950192 is an abundant number, since it is smaller than the sum of its proper divisors (169629080288).

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

166019950192 is a wasteful number, since it uses less digits than its factorization.

166019950192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451141200 (or 451141194 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 49.

The spelling of 166019950192 in words is "one hundred sixty-six billion, nineteen million, nine hundred fifty thousand, one hundred ninety-two".