168132188 has 24 divisors (see below), whose sum is σ = 337784832. Its totient is φ = 71730864.

The previous prime is 168132149. The next prime is 168132199. The reversal of 168132188 is 881231861.

168132188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7220 + ... + 19707.

It is an arithmetic number, because the mean of its divisors is an integer number (14074368).

Almost surely, 2^168132188 is an apocalyptic number.

It is an amenable number.

168132188 is an abundant number, since it is smaller than the sum of its proper divisors (169652644).

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

168132188 is a wasteful number, since it uses less digits than its factorization.

168132188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27161 (or 27159 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 168132188 is about 12966.5796569489. The cubic root of 168132188 is about 551.9295182361.

The spelling of 168132188 in words is "one hundred sixty-eight million, one hundred thirty-two thousand, one hundred eighty-eight".