561030616 has 16 divisors (see below), whose sum is σ = 1053264240. Its totient is φ = 280160160.

The previous prime is 561030581. The next prime is 561030619. The reversal of 561030616 is 616030165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561030619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37620 + ... + 50371.

It is an arithmetic number, because the mean of its divisors is an integer number (65829015).

Almost surely, 2^561030616 is an apocalyptic number.

It is an amenable number.

561030616 is a deficient number, since it is larger than the sum of its proper divisors (492233624).

561030616 is a wasteful number, since it uses less digits than its factorization.

561030616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88794 (or 88790 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 561030616 is about 23686.0848601030. The cubic root of 561030616 is about 824.7624003873.

The spelling of 561030616 in words is "five hundred sixty-one million, thirty thousand, six hundred sixteen".