189483666 has 32 divisors (see below), whose sum is σ = 401863680. Its totient is φ = 59356416.

The previous prime is 189483653. The next prime is 189483667. The reversal of 189483666 is 666384981.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189483667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110020 + ... + 111728.

It is an arithmetic number, because the mean of its divisors is an integer number (12558240).

Almost surely, 2^189483666 is an apocalyptic number.

189483666 is an abundant number, since it is smaller than the sum of its proper divisors (212380014).

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

189483666 is a wasteful number, since it uses less digits than its factorization.

189483666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818.

The product of its digits is 1492992, while the sum is 51.

The square root of 189483666 is about 13765.3066075551. The cubic root of 189483666 is about 574.3684721104.

The spelling of 189483666 in words is "one hundred eighty-nine million, four hundred eighty-three thousand, six hundred sixty-six".