188689112 has 16 divisors (see below), whose sum is σ = 353940360. Its totient is φ = 94305024.

The previous prime is 188689097. The next prime is 188689121. The reversal of 188689112 is 211986881.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29288 + ... + 35144.

Almost surely, 2^188689112 is an apocalyptic number.

It is an amenable number.

188689112 is a deficient number, since it is larger than the sum of its proper divisors (165251248).

188689112 is a wasteful number, since it uses less digits than its factorization.

188689112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890 (or 9886 counting only the distinct ones).

The product of its digits is 55296, while the sum is 44.

The square root of 188689112 is about 13736.4155440930. The cubic root of 188689112 is about 573.5645221715.

The spelling of 188689112 in words is "one hundred eighty-eight million, six hundred eighty-nine thousand, one hundred twelve".