16916223 has 8 divisors (see below), whose sum is σ = 22628736. Its totient is φ = 11240600.

The previous prime is 16916209. The next prime is 16916233. The reversal of 16916223 is 32261961.

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 16916223 - 2⁸ = 16915967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16916203) 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, 8133 + ... + 9998.

It is an arithmetic number, because the mean of its divisors is an integer number (2828592).

Almost surely, 2^16916223 is an apocalyptic number.

16916223 is a deficient number, since it is larger than the sum of its proper divisors (5712513).

16916223 is a wasteful number, since it uses less digits than its factorization.

16916223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18445.

The product of its digits is 3888, while the sum is 30.

The square root of 16916223 is about 4112.9336245556. The cubic root of 16916223 is about 256.7050824230.

The spelling of 16916223 in words is "sixteen million, nine hundred sixteen thousand, two hundred twenty-three".