16663359 has 8 divisors (see below), whose sum is σ = 22637232. Its totient is φ = 10899200.

The previous prime is 16663351. The next prime is 16663393. The reversal of 16663359 is 95336661.

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

It is a cyclic number.

It is not a de Polignac number, because 16663359 - 2³ = 16663351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16663351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52242 + ... + 52559.

It is an arithmetic number, because the mean of its divisors is an integer number (2829654).

Almost surely, 2^16663359 is an apocalyptic number.

16663359 is a deficient number, since it is larger than the sum of its proper divisors (5973873).

16663359 is a wasteful number, since it uses less digits than its factorization.

16663359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104857.

The product of its digits is 87480, while the sum is 39.

The square root of 16663359 is about 4082.0777797587. The cubic root of 16663359 is about 255.4195783721.

The spelling of 16663359 in words is "sixteen million, six hundred sixty-three thousand, three hundred fifty-nine".