6606651065 has 16 divisors (see below), whose sum is σ = 9069473280. Its totient is φ = 4525813440.

The previous prime is 6606651049. The next prime is 6606651067. The reversal of 6606651065 is 5601566066.

It is not a de Polignac number, because 6606651065 - 2⁴ = 6606651049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6606651067) 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 15 ways as a sum of consecutive naturals, for example, 56705 + ... + 128174.

It is an arithmetic number, because the mean of its divisors is an integer number (566842080).

Almost surely, 2^6606651065 is an apocalyptic number.

It is an amenable number.

6606651065 is a deficient number, since it is larger than the sum of its proper divisors (2462822215).

6606651065 is a wasteful number, since it uses less digits than its factorization.

6606651065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185912.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 6606651065 is about 81281.3082141276. The cubic root of 6606651065 is about 1876.4073406856.

The spelling of 6606651065 in words is "six billion, six hundred six million, six hundred fifty-one thousand, sixty-five".