6612222166 has 16 divisors (see below), whose sum is σ = 11050214400. Its totient is φ = 2941607080.

The previous prime is 6612222163. The next prime is 6612222173.

6612222166 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6612222163) 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, 3196366 + ... + 3198433.

It is an arithmetic number, because the mean of its divisors is an integer number (690638400).

Almost surely, 2^6612222166 is an apocalyptic number.

6612222166 is a deficient number, since it is larger than the sum of its proper divisors (4437992234).

6612222166 is a wasteful number, since it uses less digits than its factorization.

6612222166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394859.

The product of its digits is 20736, while the sum is 34.

The square root of 6612222166 is about 81315.5714854172. The cubic root of 6612222166 is about 1876.9346233545.

It can be divided in two parts, 66122 and 22166, that added together give a palindrome (88288).

The spelling of 6612222166 in words is "six billion, six hundred twelve million, two hundred twenty-two thousand, one hundred sixty-six".