6666006726 has 32 divisors (see below), whose sum is σ = 14824925280. Its totient is φ = 2220265728.

The previous prime is 6666006703. The next prime is 6666006773. The reversal of 6666006726 is 6276006666.

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, 22450 + ... + 117626.

It is an arithmetic number, because the mean of its divisors is an integer number (463278915).

Almost surely, 2^6666006726 is an apocalyptic number.

6666006726 is an abundant number, since it is smaller than the sum of its proper divisors (8158918554).

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

6666006726 is a wasteful number, since it uses less digits than its factorization.

6666006726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96485 (or 96479 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 6666006726 is about 81645.6166980200. The cubic root of 6666006726 is about 1882.0099529183.

The spelling of 6666006726 in words is "six billion, six hundred sixty-six million, six thousand, seven hundred twenty-six".