6168666 has 32 divisors (see below), whose sum is σ = 14191488. Its totient is φ = 1751040.

The previous prime is 6168649. The next prime is 6168667. The reversal of 6168666 is 6668616.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6168667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7726 + ... + 8486.

It is an arithmetic number, because the mean of its divisors is an integer number (443484).

Almost surely, 2^6168666 is an apocalyptic number.

6168666 is an abundant number, since it is smaller than the sum of its proper divisors (8022822).

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

6168666 is a wasteful number, since it uses less digits than its factorization.

6168666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its digits is 62208, while the sum is 39.

The square root of 6168666 is about 2483.6799310700. The cubic root of 6168666 is about 183.3990515544.

The spelling of 6168666 in words is "six million, one hundred sixty-eight thousand, six hundred sixty-six".