188500198 has 16 divisors (see below), whose sum is σ = 285570000. Its totient is φ = 93314592.

The previous prime is 188500189. The next prime is 188500219. The reversal of 188500198 is 891005881.

188500198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 188500198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112108 + ... + 113776.

It is an arithmetic number, because the mean of its divisors is an integer number (17848125).

Almost surely, 2^188500198 is an apocalyptic number.

188500198 is a deficient number, since it is larger than the sum of its proper divisors (97069802).

188500198 is a wasteful number, since it uses less digits than its factorization.

188500198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199.

The product of its (nonzero) digits is 23040, while the sum is 40.

The square root of 188500198 is about 13729.5374284788. The cubic root of 188500198 is about 573.3730422140.

The spelling of 188500198 in words is "one hundred eighty-eight million, five hundred thousand, one hundred ninety-eight".