516705022717 has 12 divisors (see below), whose sum is σ = 591109450036. Its totient is φ = 448902097920.

The previous prime is 516705022637. The next prime is 516705022727. The reversal of 516705022717 is 717220507615.

It can be written as a sum of positive squares in 6 ways, for example, as 5567248996 + 511137773721 = 74614^2 + 714939^2 .

It is not a de Polignac number, because 516705022717 - 2¹¹ = 516705020669 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516705022727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68761884 + ... + 68769397.

Almost surely, 2^516705022717 is an apocalyptic number.

It is an amenable number.

516705022717 is a deficient number, since it is larger than the sum of its proper divisors (74404427319).

516705022717 is a wasteful number, since it uses less digits than its factorization.

516705022717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137531328 (or 137531311 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 516705022717 in words is "five hundred sixteen billion, seven hundred five million, twenty-two thousand, seven hundred seventeen".