6520730766735 has 16 divisors (see below), whose sum is σ = 10433205681120. Its totient is φ = 3477710924160.

The previous prime is 6520730766677. The next prime is 6520730766749. The reversal of 6520730766735 is 5376670370256.

It is not a de Polignac number, because 6520730766735 - 2²⁰ = 6520729718159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5169921 + ... + 6306309.

It is an arithmetic number, because the mean of its divisors is an integer number (652075355070).

Almost surely, 2^{6520730766735} is an apocalyptic number.

6520730766735 is a deficient number, since it is larger than the sum of its proper divisors (3912474914385).

6520730766735 is a wasteful number, since it uses less digits than its factorization.

6520730766735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518938.

The product of its (nonzero) digits is 33339600, while the sum is 57.

The spelling of 6520730766735 in words is "six trillion, five hundred twenty billion, seven hundred thirty million, seven hundred sixty-six thousand, seven hundred thirty-five".