189276168 has 32 divisors (see below), whose sum is σ = 480951360. Its totient is φ = 62057280.

The previous prime is 189276151. The next prime is 189276169. The reversal of 189276168 is 861672981.

It is not an unprimeable number, because it can be changed into a prime (189276169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63180 + ... + 66107.

It is an arithmetic number, because the mean of its divisors is an integer number (15029730).

Almost surely, 2^189276168 is an apocalyptic number.

It is an amenable number.

189276168 is an abundant number, since it is smaller than the sum of its proper divisors (291675192).

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

189276168 is a wasteful number, since it uses less digits than its factorization.

189276168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129357 (or 129353 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 189276168 is about 13757.7675514598. The cubic root of 189276168 is about 574.1587375163.

The spelling of 189276168 in words is "one hundred eighty-nine million, two hundred seventy-six thousand, one hundred sixty-eight".