516516463 has 8 divisors (see below), whose sum is σ = 552615920. Its totient is φ = 481308480.

The previous prime is 516516449. The next prime is 516516487. The reversal of 516516463 is 364615615.

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 516516463 - 2²⁵ = 482962031 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 (516516433) 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, 221670 + ... + 223987.

It is an arithmetic number, because the mean of its divisors is an integer number (69076990).

Almost surely, 2^516516463 is an apocalyptic number.

516516463 is a deficient number, since it is larger than the sum of its proper divisors (36099457).

516516463 is a wasteful number, since it uses less digits than its factorization.

516516463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445737.

The product of its digits is 64800, while the sum is 37.

The square root of 516516463 is about 22726.9985479825. The cubic root of 516516463 is about 802.3454413900.

The spelling of 516516463 in words is "five hundred sixteen million, five hundred sixteen thousand, four hundred sixty-three".