16683404 has 6 divisors (see below), whose sum is σ = 29195964. Its totient is φ = 8341700.

The previous prime is 16683397. The next prime is 16683421. The reversal of 16683404 is 40438661.

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 as a sum of consecutive naturals, namely, 2085422 + ... + 2085429.

It is an arithmetic number, because the mean of its divisors is an integer number (4865994).

Almost surely, 2^16683404 is an apocalyptic number.

It is an amenable number.

16683404 is a deficient number, since it is larger than the sum of its proper divisors (12512560).

16683404 is a wasteful number, since it uses less digits than its factorization.

16683404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170855 (or 4170853 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 16683404 is about 4084.5322865660. The cubic root of 16683404 is about 255.5219553668.

The spelling of 16683404 in words is "sixteen million, six hundred eighty-three thousand, four hundred four".