516965369472 has 256 divisors, whose sum is σ = 1635476486400. Its totient is φ = 162183720960.

The previous prime is 516965369449. The next prime is 516965369497. The reversal of 516965369472 is 274963569615.

516965369472 is a `hidden beast` number, since 5 + 1 + 6 + 9 + 6 + 536 + 94 + 7 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4704597 + ... + 4813227.

It is an arithmetic number, because the mean of its divisors is an integer number (6388580025).

Almost surely, 2^516965369472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516965369472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817738243200).

516965369472 is an abundant number, since it is smaller than the sum of its proper divisors (1118511116928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516965369472 is an equidigital number, since it uses as much as digits as its factorization.

516965369472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108683 (or 108653 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 63.

The spelling of 516965369472 in words is "five hundred sixteen billion, nine hundred sixty-five million, three hundred sixty-nine thousand, four hundred seventy-two".