16664232 has 32 divisors (see below), whose sum is σ = 44866080. Its totient is φ = 5127360.

The previous prime is 16664231. The next prime is 16664239. The reversal of 16664232 is 23246661.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16664232.

It is not an unprimeable number, because it can be changed into a prime (16664231) 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, 26394 + ... + 27017.

It is an arithmetic number, because the mean of its divisors is an integer number (1402065).

Almost surely, 2^16664232 is an apocalyptic number.

16664232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16664232 is an abundant number, since it is smaller than the sum of its proper divisors (28201848).

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

16664232 is a wasteful number, since it uses less digits than its factorization.

16664232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53433 (or 53429 counting only the distinct ones).

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

The square root of 16664232 is about 4082.1847091968. The cubic root of 16664232 is about 255.4240388053.

The spelling of 16664232 in words is "sixteen million, six hundred sixty-four thousand, two hundred thirty-two".