516865213756 has 12 divisors (see below), whose sum is σ = 915411885192. Its totient is φ = 255318960848.

The previous prime is 516865213747. The next prime is 516865213763. The reversal of 516865213756 is 657312568615.

It is a junction number, because it is equal to n+sod(n) for n = 516865213697 and 516865213706.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 778411135 + ... + 778411798.

It is an arithmetic number, because the mean of its divisors is an integer number (76284323766).

Almost surely, 2^516865213756 is an apocalyptic number.

It is an amenable number.

516865213756 is a deficient number, since it is larger than the sum of its proper divisors (398546671436).

516865213756 is a wasteful number, since it uses less digits than its factorization.

516865213756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556823020 (or 1556823018 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 55.

The spelling of 516865213756 in words is "five hundred sixteen billion, eight hundred sixty-five million, two hundred thirteen thousand, seven hundred fifty-six".