16689124 has 12 divisors (see below), whose sum is σ = 29400448. Its totient is φ = 8289000.

The previous prime is 16689107. The next prime is 16689133. The reversal of 16689124 is 42198661.

It is a happy number.

It is a congruent number.

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, 13212 + ... + 14419.

Almost surely, 2^16689124 is an apocalyptic number.

It is an amenable number.

16689124 is a deficient number, since it is larger than the sum of its proper divisors (12711324).

16689124 is a wasteful number, since it uses less digits than its factorization.

16689124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27786 (or 27784 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 16689124 is about 4085.2324291281. The cubic root of 16689124 is about 255.5511544156.

The spelling of 16689124 in words is "sixteen million, six hundred eighty-nine thousand, one hundred twenty-four".