561885368 has 16 divisors (see below), whose sum is σ = 1149311160. Its totient is φ = 255402400.

The previous prime is 561885341. The next prime is 561885403. The reversal of 561885368 is 863588165.

561885368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3192443 + ... + 3192618.

Almost surely, 2^561885368 is an apocalyptic number.

It is an amenable number.

561885368 is an abundant number, since it is smaller than the sum of its proper divisors (587425792).

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

561885368 is a wasteful number, since it uses less digits than its factorization.

561885368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385078 (or 6385074 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 50.

The square root of 561885368 is about 23704.1213294229. The cubic root of 561885368 is about 825.1810404037.

The spelling of 561885368 in words is "five hundred sixty-one million, eight hundred eighty-five thousand, three hundred sixty-eight".