561105606 has 32 divisors (see below), whose sum is σ = 1182643200. Its totient is φ = 176986080.

The previous prime is 561105569. The next prime is 561105607. The reversal of 561105606 is 606501165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561105607) 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, 118635 + ... + 123273.

It is an arithmetic number, because the mean of its divisors is an integer number (36957600).

Almost surely, 2^561105606 is an apocalyptic number.

561105606 is an abundant number, since it is smaller than the sum of its proper divisors (621537594).

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

561105606 is a wasteful number, since it uses less digits than its factorization.

561105606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 561105606 is about 23687.6678041550. The cubic root of 561105606 is about 824.7991459618.

It can be divided in two parts, 56110 and 5606, that added together give a palindrome (61716).

The spelling of 561105606 in words is "five hundred sixty-one million, one hundred five thousand, six hundred six".