2271667166 has 16 divisors (see below), whose sum is σ = 3519479808. Its totient is φ = 1098550200.

The previous prime is 2271667157. The next prime is 2271667193. The reversal of 2271667166 is 6617661722.

It is a congruent number.

It is an unprimeable number.

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, 106211 + ... + 125793.

It is an arithmetic number, because the mean of its divisors is an integer number (219967488).

Almost surely, 2^2271667166 is an apocalyptic number.

2271667166 is a deficient number, since it is larger than the sum of its proper divisors (1247812642).

2271667166 is a wasteful number, since it uses less digits than its factorization.

2271667166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21487.

The product of its digits is 254016, while the sum is 44.

The square root of 2271667166 is about 47662.0096722746. The cubic root of 2271667166 is about 1314.5634922015.

The spelling of 2271667166 in words is "two billion, two hundred seventy-one million, six hundred sixty-seven thousand, one hundred sixty-six".