561967116 has 24 divisors (see below), whose sum is σ = 1312382064. Its totient is φ = 187161600.

The previous prime is 561967069. The next prime is 561967117. The reversal of 561967116 is 611769165.

It is not an unprimeable number, because it can be changed into a prime (561967117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5085 + ... + 33908.

It is an arithmetic number, because the mean of its divisors is an integer number (54682586).

Almost surely, 2^561967116 is an apocalyptic number.

It is an amenable number.

561967116 is an abundant number, since it is smaller than the sum of its proper divisors (750414948).

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

561967116 is a wasteful number, since it uses less digits than its factorization.

561967116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40201 (or 40199 counting only the distinct ones).

The product of its digits is 68040, while the sum is 42.

The square root of 561967116 is about 23705.8456082039. The cubic root of 561967116 is about 825.2210566493.

The spelling of 561967116 in words is "five hundred sixty-one million, nine hundred sixty-seven thousand, one hundred sixteen".