516361846861 has 16 divisors (see below), whose sum is σ = 600435763200. Its totient is φ = 434909996928.

The previous prime is 516361846859. The next prime is 516361846927. The reversal of 516361846861 is 168648163615.

It is a cyclic number.

It is not a de Polignac number, because 516361846861 - 2¹ = 516361846859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516361846061) 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, 1740781 + ... + 2015698.

It is an arithmetic number, because the mean of its divisors is an integer number (37527235200).

Almost surely, 2^516361846861 is an apocalyptic number.

It is an amenable number.

516361846861 is a deficient number, since it is larger than the sum of its proper divisors (84073916339).

516361846861 is a wasteful number, since it uses less digits than its factorization.

516361846861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756828.

The product of its digits is 4976640, while the sum is 55.

The spelling of 516361846861 in words is "five hundred sixteen billion, three hundred sixty-one million, eight hundred forty-six thousand, eight hundred sixty-one".