516550606509 has 64 divisors (see below), whose sum is σ = 799461273600. Its totient is φ = 290594304000.

The previous prime is 516550606493. The next prime is 516550606519. The reversal of 516550606509 is 905606055615.

516550606509 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 516550606509 - 2⁴ = 516550606493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516550606519) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 158888134 + ... + 158891384.

It is an arithmetic number, because the mean of its divisors is an integer number (12491582400).

Almost surely, 2^516550606509 is an apocalyptic number.

It is an amenable number.

516550606509 is a deficient number, since it is larger than the sum of its proper divisors (282910667091).

516550606509 is a wasteful number, since it uses less digits than its factorization.

516550606509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850.

The product of its (nonzero) digits is 1215000, while the sum is 48.

The spelling of 516550606509 in words is "five hundred sixteen billion, five hundred fifty million, six hundred six thousand, five hundred nine".