16608223 has 4 divisors (see below), whose sum is σ = 17482360. Its totient is φ = 15734088.

The previous prime is 16608211. The next prime is 16608247. The reversal of 16608223 is 32280661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16608223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16608191 and 16608200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16608203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437040 + ... + 437077.

It is an arithmetic number, because the mean of its divisors is an integer number (4370590).

Almost surely, 2^16608223 is an apocalyptic number.

16608223 is a deficient number, since it is larger than the sum of its proper divisors (874137).

16608223 is an equidigital number, since it uses as much as digits as its factorization.

16608223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874136.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 16608223 is about 4075.3187605389. The cubic root of 16608223 is about 255.1375549023.

Adding to 16608223 its reverse (32280661), we get a palindrome (48888884).

The spelling of 16608223 in words is "sixteen million, six hundred eight thousand, two hundred twenty-three".