6606856017 has 16 divisors (see below), whose sum is σ = 9847990080. Its totient is φ = 4377545856.

The previous prime is 6606855943. The next prime is 6606856019. The reversal of 6606856017 is 7106586066.

It is not a de Polignac number, because 6606856017 - 2¹² = 6606851921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6606856019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746208 + ... + 755009.

It is an arithmetic number, because the mean of its divisors is an integer number (615499380).

Almost surely, 2^6606856017 is an apocalyptic number.

It is an amenable number.

6606856017 is a deficient number, since it is larger than the sum of its proper divisors (3241134063).

6606856017 is a wasteful number, since it uses less digits than its factorization.

6606856017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501389 (or 1501383 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 6606856017 is about 81282.5689616169. The cubic root of 6606856017 is about 1876.4267438324.

The spelling of 6606856017 in words is "six billion, six hundred six million, eight hundred fifty-six thousand, seventeen".