16668183223 has 4 divisors (see below), whose sum is σ = 16669337400. Its totient is φ = 16667029048.

The previous prime is 16668183187. The next prime is 16668183229. The reversal of 16668183223 is 32238186661.

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-16668183223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16668183229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555148 + ... + 584401.

It is an arithmetic number, because the mean of its divisors is an integer number (4167334350).

Almost surely, 2^16668183223 is an apocalyptic number.

16668183223 is a deficient number, since it is larger than the sum of its proper divisors (1154177).

16668183223 is a wasteful number, since it uses less digits than its factorization.

16668183223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154176.

The product of its digits is 497664, while the sum is 46.

The spelling of 16668183223 in words is "sixteen billion, six hundred sixty-eight million, one hundred eighty-three thousand, two hundred twenty-three".