16788856 has 64 divisors (see below), whose sum is σ = 39168000. Its totient is φ = 6583680.

The previous prime is 16788839. The next prime is 16788859. The reversal of 16788856 is 65888761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16788859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32730 + ... + 33238.

It is an arithmetic number, because the mean of its divisors is an integer number (612000).

Almost surely, 2^16788856 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 16788856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19584000).

16788856 is an abundant number, since it is smaller than the sum of its proper divisors (22379144).

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

16788856 is a wasteful number, since it uses less digits than its factorization.

16788856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 568 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

The square root of 16788856 is about 4097.4206520688. The cubic root of 16788856 is about 256.0591904149.

The spelling of 16788856 in words is "sixteen million, seven hundred eighty-eight thousand, eight hundred fifty-six".