2220166606 has 24 divisors (see below), whose sum is σ = 4016867760. Its totient is φ = 901418976.

The previous prime is 2220166579. The next prime is 2220166607. The reversal of 2220166606 is 6066610222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220166607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214591 + ... + 224698.

It is an arithmetic number, because the mean of its divisors is an integer number (167369490).

Almost surely, 2^2220166606 is an apocalyptic number.

2220166606 is a deficient number, since it is larger than the sum of its proper divisors (1796701154).

2220166606 is a wasteful number, since it uses less digits than its factorization.

2220166606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439336 (or 439317 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2220166606 is about 47118.6439320997. The cubic root of 2220166606 is about 1304.5533829855.

Adding to 2220166606 its reverse (6066610222), we get a palindrome (8286776828).

The spelling of 2220166606 in words is "two billion, two hundred twenty million, one hundred sixty-six thousand, six hundred six".