16868269 has 16 divisors (see below), whose sum is σ = 19534464. Its totient is φ = 14414400.

The previous prime is 16868249. The next prime is 16868281. The reversal of 16868269 is 96286861.

It is not a de Polignac number, because 16868269 - 2¹¹ = 16866221 is a prime.

It is a super-2 number, since 2×16868269² = 569076998112722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868209) 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 15 ways as a sum of consecutive naturals, for example, 14887 + ... + 15979.

It is an arithmetic number, because the mean of its divisors is an integer number (1220904).

Almost surely, 2^16868269 is an apocalyptic number.

It is an amenable number.

16868269 is a deficient number, since it is larger than the sum of its proper divisors (2666195).

16868269 is a wasteful number, since it uses less digits than its factorization.

16868269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188.

The product of its digits is 248832, while the sum is 46.

The square root of 16868269 is about 4107.0998283460. The cubic root of 16868269 is about 256.4622842126.

The spelling of 16868269 in words is "sixteen million, eight hundred sixty-eight thousand, two hundred sixty-nine".