516656716712 has 16 divisors (see below), whose sum is σ = 968745909300. Its totient is φ = 258324474240.

The previous prime is 516656716643. The next prime is 516656716727. The reversal of 516656716712 is 217617656615.

It can be written as a sum of positive squares in 2 ways, for example, as 495354146596 + 21302570116 = 703814^2 + 145954^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124964 + ... + 1024172.

Almost surely, 2^516656716712 is an apocalyptic number.

It is an amenable number.

516656716712 is a deficient number, since it is larger than the sum of its proper divisors (452089192588).

516656716712 is a wasteful number, since it uses less digits than its factorization.

516656716712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971036 (or 971032 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 53.

The spelling of 516656716712 in words is "five hundred sixteen billion, six hundred fifty-six million, seven hundred sixteen thousand, seven hundred twelve".