6648166 has 16 divisors (see below), whose sum is σ = 11543040. Its totient is φ = 2812680.

The previous prime is 6648143. The next prime is 6648203. The reversal of 6648166 is 6618466.

6648166 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6648166² = 88396222327112, which contains 22 as substring.

6648166 is strictly pandigital in base 8.

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, 1900 + ... + 4111.

It is an arithmetic number, because the mean of its divisors is an integer number (721440).

Almost surely, 2^6648166 is an apocalyptic number.

6648166 is a deficient number, since it is larger than the sum of its proper divisors (4894874).

6648166 is a wasteful number, since it uses less digits than its factorization.

6648166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099.

The product of its digits is 41472, while the sum is 37.

The square root of 6648166 is about 2578.4037697770. The cubic root of 6648166 is about 188.0329465421.

The spelling of 6648166 in words is "six million, six hundred forty-eight thousand, one hundred sixty-six".