516816734805 has 24 divisors (see below), whose sum is σ = 1023789341952. Its totient is φ = 236259078624.

The previous prime is 516816734773. The next prime is 516816734881. The reversal of 516816734805 is 508437618615.

It is a happy number.

516816734805 is a `hidden beast` number, since 5 + 16 + 81 + 6 + 73 + 480 + 5 = 666.

It is not a de Polignac number, because 516816734805 - 2⁵ = 516816734773 is a prime.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 820343709 + ... + 820344338.

It is an arithmetic number, because the mean of its divisors is an integer number (42657889248).

Almost surely, 2^516816734805 is an apocalyptic number.

It is an amenable number.

516816734805 is a deficient number, since it is larger than the sum of its proper divisors (506972607147).

516816734805 is a wasteful number, since it uses less digits than its factorization.

516816734805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640688065 (or 1640688062 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 516816734805 in words is "five hundred sixteen billion, eight hundred sixteen million, seven hundred thirty-four thousand, eight hundred five".