16887056 has 20 divisors (see below), whose sum is σ = 33039552. Its totient is φ = 8360736.

The previous prime is 16887047. The next prime is 16887071. The reversal of 16887056 is 65078861.

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, 3476 + ... + 6771.

Almost surely, 2^16887056 is an apocalyptic number.

16887056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16887056 is a deficient number, since it is larger than the sum of its proper divisors (16152496).

16887056 is a wasteful number, since it uses less digits than its factorization.

16887056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10358 (or 10352 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 16887056 is about 4109.3863288817. The cubic root of 16887056 is about 256.5574603349.

The spelling of 16887056 in words is "sixteen million, eight hundred eighty-seven thousand, fifty-six".