32664216 has 32 divisors (see below), whose sum is σ = 87942960. Its totient is φ = 10050432.

The previous prime is 32664131. The next prime is 32664217. The reversal of 32664216 is 61246623.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32664217) 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 7 ways as a sum of consecutive naturals, for example, 52035 + ... + 52658.

Almost surely, 2^32664216 is an apocalyptic number.

It is an amenable number.

32664216 is an abundant number, since it is smaller than the sum of its proper divisors (55278744).

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

32664216 is a wasteful number, since it uses less digits than its factorization.

32664216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104715 (or 104711 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 32664216 is about 5715.2616737994. The cubic root of 32664216 is about 319.6618041579.

The spelling of 32664216 in words is "thirty-two million, six hundred sixty-four thousand, two hundred sixteen".