6606006 has 32 divisors (see below), whose sum is σ = 14570496. Its totient is φ = 1980000.

The previous prime is 6605987. The next prime is 6606011. The reversal of 6606006 is 6006066.

6606006 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a Curzon number.

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, 6171 + ... + 7161.

It is an arithmetic number, because the mean of its divisors is an integer number (455328).

Almost surely, 2^6606006 is an apocalyptic number.

6606006 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6606006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7285248).

6606006 is an abundant number, since it is smaller than the sum of its proper divisors (7964490).

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

6606006 is a wasteful number, since it uses less digits than its factorization.

6606006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 6606006 is about 2570.2151660902. The cubic root of 6606006 is about 187.6346268690.

It can be divided in two parts, 660 and 6006, that added together give a palindrome (6666).

The spelling of 6606006 in words is "six million, six hundred six thousand, six".