6411668 has 24 divisors (see below), whose sum is σ = 11988480. Its totient is φ = 2993760.

The previous prime is 6411661. The next prime is 6411673. The reversal of 6411668 is 8661146.

It is a happy number.

It is a super-2 number, since 2×6411668² = 82218973084448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6411661) 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 7 ways as a sum of consecutive naturals, for example, 2705 + ... + 4487.

It is an arithmetic number, because the mean of its divisors is an integer number (499520).

Almost surely, 2^6411668 is an apocalyptic number.

It is an amenable number.

6411668 is a deficient number, since it is larger than the sum of its proper divisors (5576812).

6411668 is a wasteful number, since it uses less digits than its factorization.

6411668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847 (or 1845 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 6411668 is about 2532.1271690024. The cubic root of 6411668 is about 185.7763141351.

The spelling of 6411668 in words is "six million, four hundred eleven thousand, six hundred sixty-eight".