2221116168 has 32 divisors (see below), whose sum is σ = 5572568160. Its totient is φ = 737735040.

The previous prime is 2221116151. The next prime is 2221116193. The reversal of 2221116168 is 8616111222.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157930 + ... + 171417.

It is an arithmetic number, because the mean of its divisors is an integer number (174142755).

Almost surely, 2^2221116168 is an apocalyptic number.

It is an amenable number.

2221116168 is an abundant number, since it is smaller than the sum of its proper divisors (3351451992).

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

2221116168 is a wasteful number, since it uses less digits than its factorization.

2221116168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329637 (or 329633 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 2221116168 is about 47128.7191423658. The cubic root of 2221116168 is about 1304.7393416659.

The spelling of 2221116168 in words is "two billion, two hundred twenty-one million, one hundred sixteen thousand, one hundred sixty-eight".