16321304 has 16 divisors (see below), whose sum is σ = 32213400. Its totient is φ = 7731072.

The previous prime is 16321303. The next prime is 16321351. The reversal of 16321304 is 40312361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16321301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53537 + ... + 53840.

Almost surely, 2^16321304 is an apocalyptic number.

It is an amenable number.

16321304 is a deficient number, since it is larger than the sum of its proper divisors (15892096).

16321304 is a wasteful number, since it uses less digits than its factorization.

16321304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107402 (or 107398 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 16321304 is about 4039.9633661705. The cubic root of 16321304 is about 253.6597838269.

Adding to 16321304 its reverse (40312361), we get a palindrome (56633665).

The spelling of 16321304 in words is "sixteen million, three hundred twenty-one thousand, three hundred four".