16863369 has 8 divisors (see below), whose sum is σ = 22542720. Its totient is φ = 11213136.

The previous prime is 16863313. The next prime is 16863383. The reversal of 16863369 is 96336861.

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

It is not a de Polignac number, because 16863369 - 2¹⁷ = 16732297 is a prime.

It is a super-2 number, since 2×16863369² = 568746428060322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 16863369.

It is not an unprimeable number, because it can be changed into a prime (16883369) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5889 + ... + 8270.

It is an arithmetic number, because the mean of its divisors is an integer number (2817840).

Almost surely, 2^16863369 is an apocalyptic number.

It is an amenable number.

16863369 is a deficient number, since it is larger than the sum of its proper divisors (5679351).

16863369 is a wasteful number, since it uses less digits than its factorization.

16863369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14559.

The product of its digits is 139968, while the sum is 42.

The square root of 16863369 is about 4106.5032570302. The cubic root of 16863369 is about 256.4374488863.

The spelling of 16863369 in words is "sixteen million, eight hundred sixty-three thousand, three hundred sixty-nine".