16604412 has 24 divisors (see below), whose sum is σ = 42266112. Its totient is φ = 5031600.

The previous prime is 16604389. The next prime is 16604417. The reversal of 16604412 is 21440661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16604417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62764 + ... + 63027.

It is an arithmetic number, because the mean of its divisors is an integer number (1761088).

Almost surely, 2^16604412 is an apocalyptic number.

16604412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16604412 is an abundant number, since it is smaller than the sum of its proper divisors (25661700).

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

16604412 is a wasteful number, since it uses less digits than its factorization.

16604412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125809 (or 125807 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 16604412 is about 4074.8511629261. The cubic root of 16604412 is about 255.1180383932.

The spelling of 16604412 in words is "sixteen million, six hundred four thousand, four hundred twelve".