16664452 has 12 divisors (see below), whose sum is σ = 33328960. Its totient is φ = 7141896.

The previous prime is 16664447. The next prime is 16664477. The reversal of 16664452 is 25446661.

16664452 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 297552 + ... + 297607.

Almost surely, 2^16664452 is an apocalyptic number.

It is an amenable number.

16664452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16664452 is a wasteful number, since it uses less digits than its factorization.

16664452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595170 (or 595168 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 16664452 is about 4082.2116554632. The cubic root of 16664452 is about 255.4251628303.

The spelling of 16664452 in words is "sixteen million, six hundred sixty-four thousand, four hundred fifty-two".