516461985839 has 8 divisors (see below), whose sum is σ = 546376080000. Its totient is φ = 486821080152.

The previous prime is 516461985833. The next prime is 516461985847. The reversal of 516461985839 is 938589164615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516461985839 - 2³⁶ = 447742509103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516461985833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68293229 + ... + 68300790.

It is an arithmetic number, because the mean of its divisors is an integer number (68297010000).

Almost surely, 2^516461985839 is an apocalyptic number.

516461985839 is a deficient number, since it is larger than the sum of its proper divisors (29914094161).

516461985839 is a wasteful number, since it uses less digits than its factorization.

516461985839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136594237.

The product of its digits is 55987200, while the sum is 65.

The spelling of 516461985839 in words is "five hundred sixteen billion, four hundred sixty-one million, nine hundred eighty-five thousand, eight hundred thirty-nine".