189980110 has 16 divisors (see below), whose sum is σ = 349240896. Its totient is φ = 74375008.

The previous prime is 189980017. The next prime is 189980179. The reversal of 189980110 is 11089981.

It is a happy number.

It is a super-2 number, since 2×189980110² = 72184884391224200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189980110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201637 + ... + 202576.

It is an arithmetic number, because the mean of its divisors is an integer number (21827556).

Almost surely, 2^189980110 is an apocalyptic number.

189980110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189980110 is a deficient number, since it is larger than the sum of its proper divisors (159260786).

189980110 is a wasteful number, since it uses less digits than its factorization.

189980110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404267.

The product of its (nonzero) digits is 5184, while the sum is 37.

The square root of 189980110 is about 13783.3272470764. The cubic root of 189980110 is about 574.8696465694.

The spelling of 189980110 in words is "one hundred eighty-nine million, nine hundred eighty thousand, one hundred ten".