16988825 has 24 divisors (see below), whose sum is σ = 24248448. Its totient is φ = 11566080.

The previous prime is 16988819. The next prime is 16988843. The reversal of 16988825 is 52888961.

It is not a de Polignac number, because 16988825 - 2¹⁰ = 16987801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16988825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33524 + ... + 34026.

It is an arithmetic number, because the mean of its divisors is an integer number (1010352).

Almost surely, 2^16988825 is an apocalyptic number.

It is an amenable number.

16988825 is a deficient number, since it is larger than the sum of its proper divisors (7259623).

16988825 is a wasteful number, since it uses less digits than its factorization.

16988825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 708 counting only the distinct ones).

The product of its digits is 276480, while the sum is 47.

The square root of 16988825 is about 4121.7502350337. The cubic root of 16988825 is about 257.0718053987.

The spelling of 16988825 in words is "sixteen million, nine hundred eighty-eight thousand, eight hundred twenty-five".