189167608 has 16 divisors (see below), whose sum is σ = 405359280. Its totient is φ = 81071808.

The previous prime is 189167603. The next prime is 189167623. The reversal of 189167608 is 806761981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189167603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688941 + ... + 1689052.

It is an arithmetic number, because the mean of its divisors is an integer number (25334955).

Almost surely, 2^189167608 is an apocalyptic number.

It is an amenable number.

189167608 is an abundant number, since it is smaller than the sum of its proper divisors (216191672).

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

189167608 is a wasteful number, since it uses less digits than its factorization.

189167608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378006 (or 3378002 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 189167608 is about 13753.8215780197. The cubic root of 189167608 is about 574.0489462808.

The spelling of 189167608 in words is "one hundred eighty-nine million, one hundred sixty-seven thousand, six hundred eight".