6516006565065 has 32 divisors (see below), whose sum is σ = 10639356393600. Its totient is φ = 3404593875456.

The previous prime is 6516006564997. The next prime is 6516006565067. The reversal of 6516006565065 is 5605656006156.

It is not a de Polignac number, because 6516006565065 - 2⁹ = 6516006564553 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6516006564999 and 6516006565017.

It is not an unprimeable number, because it can be changed into a prime (6516006565067) 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 31 ways as a sum of consecutive naturals, for example, 19805607 + ... + 20131916.

It is an arithmetic number, because the mean of its divisors is an integer number (332479887300).

Almost surely, 2^{6516006565065} is an apocalyptic number.

It is an amenable number.

6516006565065 is a deficient number, since it is larger than the sum of its proper divisors (4123349828535).

6516006565065 is a wasteful number, since it uses less digits than its factorization.

6516006565065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39937753.

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 6516006565065 in words is "six trillion, five hundred sixteen billion, six million, five hundred sixty-five thousand, sixty-five".