32253666 has 16 divisors (see below), whose sum is σ = 65470944. Its totient is φ = 10590624.

The previous prime is 32253653. The next prime is 32253673. The reversal of 32253666 is 66635223.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39715 + ... + 40518.

It is an arithmetic number, because the mean of its divisors is an integer number (4091934).

Almost surely, 2^32253666 is an apocalyptic number.

32253666 is an abundant number, since it is smaller than the sum of its proper divisors (33217278).

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

32253666 is a wasteful number, since it uses less digits than its factorization.

32253666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80305.

The product of its digits is 38880, while the sum is 33.

The square root of 32253666 is about 5679.2311099303. The cubic root of 32253666 is about 318.3168986030.

Adding to 32253666 its reverse (66635223), we get a palindrome (98888889).

The spelling of 32253666 in words is "thirty-two million, two hundred fifty-three thousand, six hundred sixty-six".