6606000009 has 48 divisors (see below), whose sum is σ = 11804538240. Its totient is φ = 3576143520.

The previous prime is 6606000007. The next prime is 6606000013. The reversal of 6606000009 is 9000006066.

It is not a de Polignac number, because 6606000009 - 2¹ = 6606000007 is a prime.

It is a super-2 number, since 2×6606000009² = 87278472237816000162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6606000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19819 + ... + 116639.

It is an arithmetic number, because the mean of its divisors is an integer number (245927880).

Almost surely, 2^6606000009 is an apocalyptic number.

It is an amenable number.

6606000009 is a deficient number, since it is larger than the sum of its proper divisors (5198538231).

6606000009 is a wasteful number, since it uses less digits than its factorization.

6606000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96875 (or 96850 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 6606000009 is about 81277.3031602304. The cubic root of 6606000009 is about 1876.3457014690.

The spelling of 6606000009 in words is "six billion, six hundred six million, nine", and thus it is an aban number.