6612662166 has 32 divisors (see below), whose sum is σ = 14490662400. Its totient is φ = 1995082080.

The previous prime is 6612662153. The next prime is 6612662197.

It is a happy number.

6612662166 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203646 + ... + 233873.

It is an arithmetic number, because the mean of its divisors is an integer number (452833200).

Almost surely, 2^6612662166 is an apocalyptic number.

6612662166 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6612662166 is an abundant number, since it is smaller than the sum of its proper divisors (7878000234).

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

6612662166 is a wasteful number, since it uses less digits than its factorization.

6612662166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437764.

The product of its digits is 186624, while the sum is 42.

The square root of 6612662166 is about 81318.2769492812. The cubic root of 6612662166 is about 1876.9762549924.

The spelling of 6612662166 in words is "six billion, six hundred twelve million, six hundred sixty-two thousand, one hundred sixty-six".