561326716 has 12 divisors (see below), whose sum is σ = 983376688. Its totient is φ = 280361952.

The previous prime is 561326693. The next prime is 561326719. The reversal of 561326716 is 617623165.

561326716 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 not an unprimeable number, because it can be changed into a prime (561326719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71136 + ... + 78631.

Almost surely, 2^561326716 is an apocalyptic number.

It is an amenable number.

561326716 is a deficient number, since it is larger than the sum of its proper divisors (422049972).

561326716 is a wasteful number, since it uses less digits than its factorization.

561326716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150708 (or 150706 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 561326716 is about 23692.3345409438. The cubic root of 561326716 is about 824.9074722064.

The spelling of 561326716 in words is "five hundred sixty-one million, three hundred twenty-six thousand, seven hundred sixteen".