518864477616683 has 16 divisors (see below), whose sum is σ = 566125719644160. Its totient is φ = 471618530008800.

The previous prime is 518864477616629. The next prime is 518864477616691. The reversal of 518864477616683 is 386616774468815.

It is a cyclic number.

It is not a de Polignac number, because 518864477616683 - 2¹² = 518864477612587 is a prime.

It is a super-2 number, since 2×518864477616683² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 518864477616598 and 518864477616607.

It is not an unprimeable number, because it can be changed into a prime (518864497616683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3934869173 + ... + 3935001033.

It is an arithmetic number, because the mean of its divisors is an integer number (35382857477760).

Almost surely, 2^{518864477616683} is an apocalyptic number.

518864477616683 is a deficient number, since it is larger than the sum of its proper divisors (47261242027477).

518864477616683 is a wasteful number, since it uses less digits than its factorization.

518864477616683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187138.

The product of its digits is 7803371520, while the sum is 80.

The spelling of 518864477616683 in words is "five hundred eighteen trillion, eight hundred sixty-four billion, four hundred seventy-seven million, six hundred sixteen thousand, six hundred eighty-three".