6468666 has 8 divisors (see below), whose sum is σ = 12937344. Its totient is φ = 2156220.

The previous prime is 6468661. The next prime is 6468667. The reversal of 6468666 is 6668646.

It is a sphenic number, since it is the product of 3 distinct primes.

6468666 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6468661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539050 + ... + 539061.

It is an arithmetic number, because the mean of its divisors is an integer number (1617168).

Almost surely, 2^6468666 is an apocalyptic number.

6468666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6468666 is a wasteful number, since it uses less digits than its factorization.

6468666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078116.

The product of its digits is 248832, while the sum is 42.

The square root of 6468666 is about 2543.3572301193. The cubic root of 6468666 is about 186.3251913270.

The spelling of 6468666 in words is "six million, four hundred sixty-eight thousand, six hundred sixty-six".