11664189 has 8 divisors (see below), whose sum is σ = 17280320. Its totient is φ = 7776108.

The previous prime is 11664181. The next prime is 11664203. The reversal of 11664189 is 98146611.

It is a happy number.

11664189 is a `hidden beast` number, since 1 + 1 + 6 + 641 + 8 + 9 = 666.

11664189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11664189 - 2³ = 11664181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215977 + ... + 216030.

It is an arithmetic number, because the mean of its divisors is an integer number (2160040).

Almost surely, 2^11664189 is an apocalyptic number.

It is an amenable number.

11664189 is a deficient number, since it is larger than the sum of its proper divisors (5616131).

11664189 is an equidigital number, since it uses as much as digits as its factorization.

11664189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432016 (or 432010 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 11664189 is about 3415.2875427993. The cubic root of 11664189 is about 226.7870138977.

The spelling of 11664189 in words is "eleven million, six hundred sixty-four thousand, one hundred eighty-nine".