561410616 has 32 divisors (see below), whose sum is σ = 1511490960. Its totient is φ = 172741632.

The previous prime is 561410599. The next prime is 561410639. The reversal of 561410616 is 616014165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899385 + ... + 900008.

Almost surely, 2^561410616 is an apocalyptic number.

It is an amenable number.

561410616 is an abundant number, since it is smaller than the sum of its proper divisors (950080344).

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

561410616 is a wasteful number, since it uses less digits than its factorization.

561410616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799415 (or 1799411 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 561410616 is about 23694.1050896631. The cubic root of 561410616 is about 824.9485690620.

The spelling of 561410616 in words is "five hundred sixty-one million, four hundred ten thousand, six hundred sixteen".