16689112 has 32 divisors (see below), whose sum is σ = 34707600. Its totient is φ = 7459200.

The previous prime is 16689107. The next prime is 16689133. The reversal of 16689112 is 21198661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3814 + ... + 6922.

Almost surely, 2^16689112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16689112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17353800).

16689112 is an abundant number, since it is smaller than the sum of its proper divisors (18018488).

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

16689112 is a wasteful number, since it uses less digits than its factorization.

16689112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187 (or 3183 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 16689112 is about 4085.2309604232. The cubic root of 16689112 is about 255.5510931658.

The spelling of 16689112 in words is "sixteen million, six hundred eighty-nine thousand, one hundred twelve".