561116410 has 16 divisors (see below), whose sum is σ = 1014424200. Its totient is φ = 223465536.

The previous prime is 561116393. The next prime is 561116411. The reversal of 561116410 is 14611165.

It can be written as a sum of positive squares in 4 ways, for example, as 542098089 + 19018321 = 23283^2 + 4361^2 .

It is not an unprimeable number, because it can be changed into a prime (561116411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120225 + ... + 124804.

Almost surely, 2^561116410 is an apocalyptic number.

561116410 is a deficient number, since it is larger than the sum of its proper divisors (453307790).

561116410 is a wasteful number, since it uses less digits than its factorization.

561116410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245265.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 561116410 is about 23687.8958542121. The cubic root of 561116410 is about 824.8044397204.

Adding to 561116410 its reverse (14611165), we get a palindrome (575727575).

The spelling of 561116410 in words is "five hundred sixty-one million, one hundred sixteen thousand, four hundred ten".