6512616543213 has 80 divisors (see below), whose sum is σ = 10765484262720. Its totient is φ = 3890732832000.

The previous prime is 6512616543211. The next prime is 6512616543217. The reversal of 6512616543213 is 3123456162156.

It is a happy number.

6512616543213 is a `hidden beast` number, since 6 + 5 + 1 + 2 + 616 + 5 + 4 + 3 + 21 + 3 = 666.

It is not a de Polignac number, because 6512616543213 - 2¹ = 6512616543211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6512616543211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20268553 + ... + 20587361.

It is an arithmetic number, because the mean of its divisors is an integer number (134568553284).

Almost surely, 2^{6512616543213} is an apocalyptic number.

It is an amenable number.

6512616543213 is a deficient number, since it is larger than the sum of its proper divisors (4252867719507).

6512616543213 is a wasteful number, since it uses less digits than its factorization.

6512616543213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319160 (or 319151 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 6512616543213 in words is "six trillion, five hundred twelve billion, six hundred sixteen million, five hundred forty-three thousand, two hundred thirteen".