22640271166 has 16 divisors (see below), whose sum is σ = 34315453728. Its totient is φ = 11202105600.

The previous prime is 22640271163. The next prime is 22640271167. The reversal of 22640271166 is 66117204622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22640271163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63226 + ... + 221986.

It is an arithmetic number, because the mean of its divisors is an integer number (2144715858).

Almost surely, 2^22640271166 is an apocalyptic number.

22640271166 is a deficient number, since it is larger than the sum of its proper divisors (11675182562).

22640271166 is a wasteful number, since it uses less digits than its factorization.

22640271166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159507.

The product of its (nonzero) digits is 48384, while the sum is 37.

Adding to 22640271166 its reverse (66117204622), we get a palindrome (88757475788).

The spelling of 22640271166 in words is "twenty-two billion, six hundred forty million, two hundred seventy-one thousand, one hundred sixty-six".