516998656 has 40 divisors (see below), whose sum is σ = 1066342464. Its totient is φ = 250152960.

The previous prime is 516998639. The next prime is 516998701. The reversal of 516998656 is 656899615.

It is a super-2 number, since 2×516998656² = 534575220611612672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 516998597 and 516998606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415 + ... + 32158.

Almost surely, 2^516998656 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 516998656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533171232).

516998656 is an abundant number, since it is smaller than the sum of its proper divisors (549343808).

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

516998656 is an equidigital number, since it uses as much as digits as its factorization.

516998656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32622 (or 32606 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 55.

The square root of 516998656 is about 22737.6044472587. The cubic root of 516998656 is about 802.5950397755.

The spelling of 516998656 in words is "five hundred sixteen million, nine hundred ninety-eight thousand, six hundred fifty-six".