516785648 has 20 divisors (see below), whose sum is σ = 1025694768. Its totient is φ = 252090240.

The previous prime is 516785629. The next prime is 516785651. The reversal of 516785648 is 846587615.

It is a junction number, because it is equal to n+sod(n) for n = 516785596 and 516785605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393236 + ... + 394547.

Almost surely, 2^516785648 is an apocalyptic number.

It is an amenable number.

516785648 is a deficient number, since it is larger than the sum of its proper divisors (508909120).

516785648 is a wasteful number, since it uses less digits than its factorization.

516785648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787832 (or 787826 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The square root of 516785648 is about 22732.9199180396. The cubic root of 516785648 is about 802.4847992255.

The spelling of 516785648 in words is "five hundred sixteen million, seven hundred eighty-five thousand, six hundred forty-eight".