517616443268 has 12 divisors (see below), whose sum is σ = 905917281360. Its totient is φ = 258782934312.

The previous prime is 517616443261. The next prime is 517616443291. The reversal of 517616443268 is 862344616715.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (517616443261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6275738 + ... + 6357681.

It is an arithmetic number, because the mean of its divisors is an integer number (75493106780).

Almost surely, 2^517616443268 is an apocalyptic number.

It is an amenable number.

517616443268 is a deficient number, since it is larger than the sum of its proper divisors (388300838092).

517616443268 is a wasteful number, since it uses less digits than its factorization.

517616443268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12643666 (or 12643664 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The spelling of 517616443268 in words is "five hundred seventeen billion, six hundred sixteen million, four hundred forty-three thousand, two hundred sixty-eight".