189459166 has 32 divisors (see below), whose sum is σ = 324511488. Its totient is φ = 82321920.

The previous prime is 189459131. The next prime is 189459167. The reversal of 189459166 is 661954981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189459167) 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 15 ways as a sum of consecutive naturals, for example, 26646 + ... + 32998.

It is an arithmetic number, because the mean of its divisors is an integer number (10140984).

Almost surely, 2^189459166 is an apocalyptic number.

189459166 is a deficient number, since it is larger than the sum of its proper divisors (135052322).

189459166 is a wasteful number, since it uses less digits than its factorization.

189459166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436.

The product of its digits is 466560, while the sum is 49.

The square root of 189459166 is about 13764.4166603601. The cubic root of 189459166 is about 574.3437160027.

The spelling of 189459166 in words is "one hundred eighty-nine million, four hundred fifty-nine thousand, one hundred sixty-six".