6516260565 has 32 divisors (see below), whose sum is σ = 11058892416. Its totient is φ = 3265105920.

The previous prime is 6516260561. The next prime is 6516260567. The reversal of 6516260565 is 5650626156.

It is not a de Polignac number, because 6516260565 - 2² = 6516260561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6516260561) 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 31 ways as a sum of consecutive naturals, for example, 123229 + ... + 167981.

It is an arithmetic number, because the mean of its divisors is an integer number (345590388).

Almost surely, 2^6516260565 is an apocalyptic number.

It is an amenable number.

6516260565 is a deficient number, since it is larger than the sum of its proper divisors (4542631851).

6516260565 is a wasteful number, since it uses less digits than its factorization.

6516260565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45349.

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 6516260565 is about 80723.3582366343. The cubic root of 6516260565 is about 1867.8105066223.

The spelling of 6516260565 in words is "six billion, five hundred sixteen million, two hundred sixty thousand, five hundred sixty-five".