223161363881215 has 4 divisors (see below), whose sum is σ = 267793636657464. Its totient is φ = 178529091104968.

The previous prime is 223161363881189. The next prime is 223161363881221. The reversal of 223161363881215 is 512188363161322.

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 223161363881215 - 2⁴³ = 214365270859007 is a prime.

It is a super-3 number, since 3×223161363881215³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22316136388117 + ... + 22316136388126.

It is an arithmetic number, because the mean of its divisors is an integer number (66948409164366).

Almost surely, 2^{223161363881215} is an apocalyptic number.

223161363881215 is a deficient number, since it is larger than the sum of its proper divisors (44632272776249).

223161363881215 is an equidigital number, since it uses as much as digits as its factorization.

223161363881215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44632272776248.

The product of its digits is 2488320, while the sum is 52.

The spelling of 223161363881215 in words is "two hundred twenty-three trillion, one hundred sixty-one billion, three hundred sixty-three million, eight hundred eighty-one thousand, two hundred fifteen".