6606655605 has 24 divisors (see below), whose sum is σ = 12492586080. Its totient is φ = 3203226720.

The previous prime is 6606655589. The next prime is 6606655621. The reversal of 6606655605 is 5065566066.

6606655605 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6606655589) and next prime (6606655621).

It is not a de Polignac number, because 6606655605 - 2⁴ = 6606655589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 6672895 + ... + 6673884.

It is an arithmetic number, because the mean of its divisors is an integer number (520524420).

Almost surely, 2^6606655605 is an apocalyptic number.

It is an amenable number.

6606655605 is a deficient number, since it is larger than the sum of its proper divisors (5885930475).

6606655605 is a wasteful number, since it uses less digits than its factorization.

6606655605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13346801 (or 13346798 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The square root of 6606655605 is about 81281.3361418229. The cubic root of 6606655605 is about 1876.4077704993.

The spelling of 6606655605 in words is "six billion, six hundred six million, six hundred fifty-five thousand, six hundred five".