561168883 has 16 divisors (see below), whose sum is σ = 628456320. Its totient is φ = 496758400.

The previous prime is 561168863. The next prime is 561168889. The reversal of 561168883 is 388861165.

561168883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 561168883 - 2⁹ = 561168371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561168889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65403 + ... + 73483.

It is an arithmetic number, because the mean of its divisors is an integer number (39278520).

Almost surely, 2^561168883 is an apocalyptic number.

561168883 is a deficient number, since it is larger than the sum of its proper divisors (67287437).

561168883 is a wasteful number, since it uses less digits than its factorization.

561168883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8258.

The product of its digits is 276480, while the sum is 46.

The square root of 561168883 is about 23689.0034193083. The cubic root of 561168883 is about 824.8301495455.

The spelling of 561168883 in words is "five hundred sixty-one million, one hundred sixty-eight thousand, eight hundred eighty-three".