561060616 has 16 divisors (see below), whose sum is σ = 1054424700. Its totient is φ = 279880704.

The previous prime is 561060587. The next prime is 561060623. The reversal of 561060616 is 616060165.

It can be written as a sum of positive squares in 2 ways, for example, as 472888516 + 88172100 = 21746^2 + 9390^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77521 + ... + 84448.

Almost surely, 2^561060616 is an apocalyptic number.

It is an amenable number.

561060616 is a deficient number, since it is larger than the sum of its proper divisors (493364084).

561060616 is a wasteful number, since it uses less digits than its factorization.

561060616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162408 (or 162404 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 561060616 is about 23686.7181348535. The cubic root of 561060616 is about 824.7771009701. Note that the first 3 decimals are identical.

The spelling of 561060616 in words is "five hundred sixty-one million, sixty thousand, six hundred sixteen".