32668189 has 2 divisors, whose sum is σ = 32668190. Its totient is φ = 32668188.

The previous prime is 32668183. The next prime is 32668249. The reversal of 32668189 is 98186623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19404025 + 13264164 = 4405^2 + 3642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32668189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32668183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16334094 + 16334095.

It is an arithmetic number, because the mean of its divisors is an integer number (16334095).

Almost surely, 2^32668189 is an apocalyptic number.

It is an amenable number.

32668189 is a deficient number, since it is larger than the sum of its proper divisors (1).

32668189 is an equidigital number, since it uses as much as digits as its factorization.

32668189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 32668189 is about 5715.6092413670. The cubic root of 32668189 is about 319.6747639553.

The spelling of 32668189 in words is "thirty-two million, six hundred sixty-eight thousand, one hundred eighty-nine".