516663535131 has 24 divisors (see below), whose sum is σ = 762287722560. Its totient is φ = 337061869056.

The previous prime is 516663535121. The next prime is 516663535139. The reversal of 516663535131 is 131535366615.

It is a de Polignac number, because none of the positive numbers 2^k-516663535131 is a prime.

It is a super-2 number, since 2×516663535131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (516663535139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2757355 + ... + 2938763.

It is an arithmetic number, because the mean of its divisors is an integer number (31761988440).

Almost surely, 2^516663535131 is an apocalyptic number.

516663535131 is a deficient number, since it is larger than the sum of its proper divisors (245624187429).

516663535131 is a wasteful number, since it uses less digits than its factorization.

516663535131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188195 (or 188192 counting only the distinct ones).

The product of its digits is 729000, while the sum is 45.

The spelling of 516663535131 in words is "five hundred sixteen billion, six hundred sixty-three million, five hundred thirty-five thousand, one hundred thirty-one".