16990252 has 12 divisors (see below), whose sum is σ = 30536800. Its totient is φ = 8265456.

The previous prime is 16990223. The next prime is 16990279. The reversal of 16990252 is 25209961.

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, 57252 + ... + 57547.

Almost surely, 2^16990252 is an apocalyptic number.

It is an amenable number.

16990252 is a deficient number, since it is larger than the sum of its proper divisors (13546548).

16990252 is a wasteful number, since it uses less digits than its factorization.

16990252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114840 (or 114838 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 16990252 is about 4121.9233374724. The cubic root of 16990252 is about 257.0790028986.

The spelling of 16990252 in words is "sixteen million, nine hundred ninety thousand, two hundred fifty-two".