16988882 has 8 divisors (see below), whose sum is σ = 26982396. Its totient is φ = 7994752.

The previous prime is 16988879. The next prime is 16988887. The reversal of 16988882 is 28888961.

It can be written as a sum of positive squares in 2 ways, for example, as 16982641 + 6241 = 4121^2 + 79^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16988882² = 577244223219848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16988882.

It is not an unprimeable number, because it can be changed into a prime (16988887) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 249803 + ... + 249870.

Almost surely, 2^16988882 is an apocalyptic number.

16988882 is a deficient number, since it is larger than the sum of its proper divisors (9993514).

16988882 is a wasteful number, since it uses less digits than its factorization.

16988882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499692.

The product of its digits is 442368, while the sum is 50.

The square root of 16988882 is about 4121.7571495662. The cubic root of 16988882 is about 257.0720929029.

The spelling of 16988882 in words is "sixteen million, nine hundred eighty-eight thousand, eight hundred eighty-two".