189896371092 has 18 divisors (see below), whose sum is σ = 480015827018. Its totient is φ = 63298790352.

The previous prime is 189896371081. The next prime is 189896371117. The reversal of 189896371092 is 290173698981.

189896371092 is a `hidden beast` number, since 1 + 8 + 98 + 96 + 371 + 0 + 92 = 666.

189896371092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 170671439376 + 19224931716 = 413124^2 + 138654^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2637449563 + ... + 2637449634.

Almost surely, 2^189896371092 is an apocalyptic number.

189896371092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189896371092 is an abundant number, since it is smaller than the sum of its proper divisors (290119455926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189896371092 is a wasteful number, since it uses less digits than its factorization.

189896371092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274899207 (or 5274899202 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 189896371092 in words is "one hundred eighty-nine billion, eight hundred ninety-six million, three hundred seventy-one thousand, ninety-two".