5616510561 has 18 divisors (see below), whose sum is σ = 8562201570. Its totient is φ = 3547267776.

The previous prime is 5616510539. The next prime is 5616510569. The reversal of 5616510561 is 1650156165.

It can be written as a sum of positive squares in only one way, i.e., 5117256225 + 499254336 = 71535^2 + 22344^2 .

It is not a de Polignac number, because 5616510561 - 2¹³ = 5616502369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5616510569) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 861096 + ... + 867593.

It is an arithmetic number, because the mean of its divisors is an integer number (475677865).

Almost surely, 2^5616510561 is an apocalyptic number.

It is an amenable number.

5616510561 is a deficient number, since it is larger than the sum of its proper divisors (2945691009).

5616510561 is a wasteful number, since it uses less digits than its factorization.

5616510561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728733 (or 1728711 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 5616510561 is about 74943.3823696262. The cubic root of 5616510561 is about 1777.5515046171.

The spelling of 5616510561 in words is "five billion, six hundred sixteen million, five hundred ten thousand, five hundred sixty-one".