It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 516655675050653.
It is a congruent number.
Almost surely, 2516655675050653 is an apocalyptic number.
It is an amenable number.
516655675050653 is an equidigital number, since it uses as much as digits as its factorization.
516655675050653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7579999134.
The spelling of 516655675050653 in words is "five hundred sixteen trillion, six hundred fifty-five billion, six hundred seventy-five million, fifty thousand, six hundred fifty-three".