188671113 has 20 divisors (see below), whose sum is σ = 287844480. Its totient is φ = 123102072.

The previous prime is 188671097. The next prime is 188671123. The reversal of 188671113 is 311176881.

It is a happy number.

It is not a de Polignac number, because 188671113 - 2⁴ = 188671097 is a prime.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (188671123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20973 + ... + 28586.

It is an arithmetic number, because the mean of its divisors is an integer number (14392224).

Almost surely, 2^188671113 is an apocalyptic number.

It is an amenable number.

188671113 is a deficient number, since it is larger than the sum of its proper divisors (99173367).

188671113 is an equidigital number, since it uses as much as digits as its factorization.

188671113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49618 (or 49609 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 188671113 is about 13735.7603721090. The cubic root of 188671113 is about 573.5462842067.

The spelling of 188671113 in words is "one hundred eighty-eight million, six hundred seventy-one thousand, one hundred thirteen".