16887808 has 104 divisors (see below), whose sum is σ = 41937920. Its totient is φ = 6635520.

The previous prime is 16887779. The next prime is 16887811. The reversal of 16887808 is 80878861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544753 + ... + 544783.

Almost surely, 2^16887808 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 16887808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20968960).

16887808 is an abundant number, since it is smaller than the sum of its proper divisors (25050112).

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

16887808 is an equidigital number, since it uses as much as digits as its factorization.

16887808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 46.

The square root of 16887808 is about 4109.4778257097. The cubic root of 16887808 is about 256.5612685445.

The spelling of 16887808 in words is "sixteen million, eight hundred eighty-seven thousand, eight hundred eight".