2168223168 has 28 divisors (see below), whose sum is σ = 5736757640. Its totient is φ = 722740992.

The previous prime is 2168223139. The next prime is 2168223203. The reversal of 2168223168 is 8613228612.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5646223 + ... + 5646606.

Almost surely, 2^2168223168 is an apocalyptic number.

It is an amenable number.

2168223168 is an abundant number, since it is smaller than the sum of its proper divisors (3568534472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2168223168 is a wasteful number, since it uses less digits than its factorization.

2168223168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11292844 (or 11292834 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 2168223168 is about 46564.1833172236. The cubic root of 2168223168 is about 1294.2991328841.

It can be divided in two parts, 21682 and 23168, that added together give a triangular number (44850 = T₂₉₉).

The spelling of 2168223168 in words is "two billion, one hundred sixty-eight million, two hundred twenty-three thousand, one hundred sixty-eight".