16788144 has 20 divisors (see below), whose sum is σ = 43369496. Its totient is φ = 5596032.

The previous prime is 16788133. The next prime is 16788151. The reversal of 16788144 is 44188761.

16788144 = T₁₉₂₇ + T₁₉₂₈ + ... + T₁₉₃₅.

It is an unprimeable number.

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, 174829 + ... + 174924.

Almost surely, 2^16788144 is an apocalyptic number.

It is an amenable number.

16788144 is an abundant number, since it is smaller than the sum of its proper divisors (26581352).

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

16788144 is a wasteful number, since it uses less digits than its factorization.

16788144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349764 (or 349758 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 16788144 is about 4097.3337672198. Note that the first 3 decimals coincide. The cubic root of 16788144 is about 256.0555706186.

The spelling of 16788144 in words is "sixteen million, seven hundred eighty-eight thousand, one hundred forty-four".