516520566 has 48 divisors (see below), whose sum is σ = 1165563360. Its totient is φ = 165110400.

The previous prime is 516520547. The next prime is 516520573. The reversal of 516520566 is 665025615.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 516520566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75546 + ... + 82098.

It is an arithmetic number, because the mean of its divisors is an integer number (24282570).

Almost surely, 2^516520566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516520566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582781680).

516520566 is an abundant number, since it is smaller than the sum of its proper divisors (649042794).

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

516520566 is a wasteful number, since it uses less digits than its factorization.

516520566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6741 (or 6738 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 516520566 is about 22727.0888148922. The cubic root of 516520566 is about 802.3475658880.

The spelling of 516520566 in words is "five hundred sixteen million, five hundred twenty thousand, five hundred sixty-six".