189830166 has 16 divisors (see below), whose sum is σ = 379830384. Its totient is φ = 63248384.

The previous prime is 189830129. The next prime is 189830171. The reversal of 189830166 is 661038981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10966 + ... + 22358.

It is an arithmetic number, because the mean of its divisors is an integer number (23739399).

Almost surely, 2^189830166 is an apocalyptic number.

189830166 is an abundant number, since it is smaller than the sum of its proper divisors (190000218).

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

189830166 is a wasteful number, since it uses less digits than its factorization.

189830166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14175.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 189830166 is about 13777.8868481346. The cubic root of 189830166 is about 574.7183659223.

The spelling of 189830166 in words is "one hundred eighty-nine million, eight hundred thirty thousand, one hundred sixty-six".