16788080 has 20 divisors (see below), whose sum is σ = 39032472. Its totient is φ = 6715200.

The previous prime is 16788067. The next prime is 16788089. The reversal of 16788080 is 8088761.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16788089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104846 + ... + 105005.

Almost surely, 2^16788080 is an apocalyptic number.

16788080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16788080 is an abundant number, since it is smaller than the sum of its proper divisors (22244392).

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

16788080 is a wasteful number, since it uses less digits than its factorization.

16788080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209864 (or 209858 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 16788080 is about 4097.3259572555. The cubic root of 16788080 is about 256.0552452386.

The spelling of 16788080 in words is "sixteen million, seven hundred eighty-eight thousand, eighty".