16656314223 has 16 divisors (see below), whose sum is σ = 23383324800. Its totient is φ = 10517058720.

The previous prime is 16656314219. The next prime is 16656314231. The reversal of 16656314223 is 32241365661.

It is not a de Polignac number, because 16656314223 - 2² = 16656314219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16656314203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197473 + ... + 268901.

It is an arithmetic number, because the mean of its divisors is an integer number (1461457800).

Almost surely, 2^16656314223 is an apocalyptic number.

16656314223 is a deficient number, since it is larger than the sum of its proper divisors (6727010577).

16656314223 is a wasteful number, since it uses less digits than its factorization.

16656314223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75542.

The product of its digits is 155520, while the sum is 39.

Adding to 16656314223 its reverse (32241365661), we get a palindrome (48897679884).

The spelling of 16656314223 in words is "sixteen billion, six hundred fifty-six million, three hundred fourteen thousand, two hundred twenty-three".