2217167166 has 16 divisors (see below), whose sum is σ = 4695177744. Its totient is φ = 695581824.

The previous prime is 2217167137. The next prime is 2217167191. The reversal of 2217167166 is 6617617122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10868365 + ... + 10868568.

It is an arithmetic number, because the mean of its divisors is an integer number (293448609).

Almost surely, 2^2217167166 is an apocalyptic number.

2217167166 is an abundant number, since it is smaller than the sum of its proper divisors (2478010578).

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

2217167166 is a wasteful number, since it uses less digits than its factorization.

2217167166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21736955.

The product of its digits is 42336, while the sum is 39.

The square root of 2217167166 is about 47086.8045847242. The cubic root of 2217167166 is about 1303.9656353465.

The spelling of 2217167166 in words is "two billion, two hundred seventeen million, one hundred sixty-seven thousand, one hundred sixty-six".