16805768 has 32 divisors (see below), whose sum is σ = 36514560. Its totient is φ = 7102080.

The previous prime is 16805759. The next prime is 16805797. The reversal of 16805768 is 86750861.

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, 2033 + ... + 6143.

It is an arithmetic number, because the mean of its divisors is an integer number (1141080).

Almost surely, 2^16805768 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 16805768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18257280).

16805768 is an abundant number, since it is smaller than the sum of its proper divisors (19708792).

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

16805768 is a wasteful number, since it uses less digits than its factorization.

16805768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197 (or 4193 counting only the distinct ones).

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

The square root of 16805768 is about 4099.4838699524. The cubic root of 16805768 is about 256.1451406779.

The spelling of 16805768 in words is "sixteen million, eight hundred five thousand, seven hundred sixty-eight".