223666612216 has 32 divisors (see below), whose sum is σ = 421459552800. Its totient is φ = 111278770560.

The previous prime is 223666612187. The next prime is 223666612219. The reversal of 223666612216 is 612216666322.

223666612216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223666612219) 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 7 ways as a sum of consecutive naturals, for example, 1224606 + ... + 1395346.

It is an arithmetic number, because the mean of its divisors is an integer number (13170611025).

Almost surely, 2^223666612216 is an apocalyptic number.

It is an amenable number.

223666612216 is a deficient number, since it is larger than the sum of its proper divisors (197792940584).

223666612216 is a wasteful number, since it uses less digits than its factorization.

223666612216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171559 (or 171555 counting only the distinct ones).

The product of its digits is 373248, while the sum is 43.

The spelling of 223666612216 in words is "two hundred twenty-three billion, six hundred sixty-six million, six hundred twelve thousand, two hundred sixteen".