189199112 has 32 divisors (see below), whose sum is σ = 376941600. Its totient is φ = 88775424.

The previous prime is 189199091. The next prime is 189199117. The reversal of 189199112 is 211991981.

It is a self number, because there is not a number n which added to its sum of digits gives 189199112.

It is not an unprimeable number, because it can be changed into a prime (189199117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10448 + ... + 22080.

It is an arithmetic number, because the mean of its divisors is an integer number (11779425).

Almost surely, 2^189199112 is an apocalyptic number.

It is an amenable number.

189199112 is a deficient number, since it is larger than the sum of its proper divisors (187742488).

189199112 is a wasteful number, since it uses less digits than its factorization.

189199112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11765 (or 11761 counting only the distinct ones).

The product of its digits is 11664, while the sum is 41.

The square root of 189199112 is about 13754.9668120283. The cubic root of 189199112 is about 574.0808119093.

The spelling of 189199112 in words is "one hundred eighty-nine million, one hundred ninety-nine thousand, one hundred twelve".