563880366 has 80 divisors (see below), whose sum is σ = 1520069760. Its totient is φ = 152623440.

The previous prime is 563880353. The next prime is 563880377. The reversal of 563880366 is 663088365.

563880366 is a `hidden beast` number, since 5 + 638 + 8 + 0 + 3 + 6 + 6 = 666.

It is a super-2 number, since 2×563880366² = 635922134320587912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8461 + ... + 34631.

It is an arithmetic number, because the mean of its divisors is an integer number (19000872).

Almost surely, 2^563880366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563880366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760034880).

563880366 is an abundant number, since it is smaller than the sum of its proper divisors (956189394).

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

563880366 is a wasteful number, since it uses less digits than its factorization.

563880366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26211 (or 26202 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 563880366 is about 23746.1652904211. The cubic root of 563880366 is about 826.1565003528.

The spelling of 563880366 in words is "five hundred sixty-three million, eight hundred eighty thousand, three hundred sixty-six".