189743166 has 12 divisors (see below), whose sum is σ = 411110232. Its totient is φ = 63247716.

The previous prime is 189743161. The next prime is 189743189. The reversal of 189743166 is 661347981.

It is a happy number.

189743166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189743161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5270626 + ... + 5270661.

It is an arithmetic number, because the mean of its divisors is an integer number (34259186).

Almost surely, 2^189743166 is an apocalyptic number.

189743166 is an abundant number, since it is smaller than the sum of its proper divisors (221367066).

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

189743166 is a wasteful number, since it uses less digits than its factorization.

189743166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10541295 (or 10541292 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 189743166 is about 13774.7292532376. The cubic root of 189743166 is about 574.6305538545.

The spelling of 189743166 in words is "one hundred eighty-nine million, seven hundred forty-three thousand, one hundred sixty-six".