189229611188 has 24 divisors (see below), whose sum is σ = 332231969664. Its totient is φ = 94306680000.

The previous prime is 189229611163. The next prime is 189229611209. The reversal of 189229611188 is 881116922981.

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, 1504631 + ... + 1625537.

It is an arithmetic number, because the mean of its divisors is an integer number (13842998736).

Almost surely, 2^189229611188 is an apocalyptic number.

It is an amenable number.

189229611188 is a deficient number, since it is larger than the sum of its proper divisors (143002358476).

189229611188 is a wasteful number, since it uses less digits than its factorization.

189229611188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122183 (or 122181 counting only the distinct ones).

The product of its digits is 995328, while the sum is 56.

The spelling of 189229611188 in words is "one hundred eighty-nine billion, two hundred twenty-nine million, six hundred eleven thousand, one hundred eighty-eight".