223615644225163 has 4 divisors (see below), whose sum is σ = 223665816014280. Its totient is φ = 223565472436048.

The previous prime is 223615644225101. The next prime is 223615644225199. The reversal of 223615644225163 is 361522446516322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 223615644225163 - 2¹⁷ = 223615644094091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223615644225163.

It is not an unprimeable number, because it can be changed into a prime (223615644265163) 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, 25085887873 + ... + 25085896786.

It is an arithmetic number, because the mean of its divisors is an integer number (55916454003570).

Almost surely, 2^{223615644225163} is an apocalyptic number.

223615644225163 is a deficient number, since it is larger than the sum of its proper divisors (50171789117).

223615644225163 is an equidigital number, since it uses as much as digits as its factorization.

223615644225163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50171789116.

The product of its digits is 12441600, while the sum is 52.

The spelling of 223615644225163 in words is "two hundred twenty-three trillion, six hundred fifteen billion, six hundred forty-four million, two hundred twenty-five thousand, one hundred sixty-three".