16689896 has 16 divisors (see below), whose sum is σ = 31488000. Its totient is φ = 8293104.

The previous prime is 16689887. The next prime is 16689913. The reversal of 16689896 is 69898661.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5096 + ... + 7703.

It is an arithmetic number, because the mean of its divisors is an integer number (1968000).

Almost surely, 2^16689896 is an apocalyptic number.

It is an amenable number.

16689896 is a deficient number, since it is larger than the sum of its proper divisors (14798104).

16689896 is a wasteful number, since it uses less digits than its factorization.

16689896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12968 (or 12964 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 16689896 is about 4085.3269147034. The cubic root of 16689896 is about 255.5550947552. Note that the first 3 decimals are identical.

The spelling of 16689896 in words is "sixteen million, six hundred eighty-nine thousand, eight hundred ninety-six".