6618118166 has 16 divisors (see below), whose sum is σ = 10912321728. Its totient is φ = 2985270600.

The previous prime is 6618118127. The next prime is 6618118181.

6618118166 is nontrivially palindromic in base 10.

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, 1145300 + ... + 1151063.

It is an arithmetic number, because the mean of its divisors is an integer number (682020108).

Almost surely, 2^6618118166 is an apocalyptic number.

6618118166 is a deficient number, since it is larger than the sum of its proper divisors (4294203562).

6618118166 is a wasteful number, since it uses less digits than its factorization.

6618118166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296507.

The product of its digits is 82944, while the sum is 44.

The square root of 6618118166 is about 81351.8172261690. The cubic root of 6618118166 is about 1877.4923339421.

The spelling of 6618118166 in words is "six billion, six hundred eighteen million, one hundred eighteen thousand, one hundred sixty-six".