5560606656661 has 4 divisors (see below), whose sum is σ = 6354979036192. Its totient is φ = 4766234277132.

The previous prime is 5560606656593. The next prime is 5560606656673. The reversal of 5560606656661 is 1666566060655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5560606656661 - 2¹³ = 5560606648469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5560606656596 and 5560606656605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5560606656061) 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, 397186189755 + ... + 397186189768.

It is an arithmetic number, because the mean of its divisors is an integer number (1588744759048).

Almost surely, 2^{5560606656661} is an apocalyptic number.

It is an amenable number.

5560606656661 is a deficient number, since it is larger than the sum of its proper divisors (794372379531).

5560606656661 is an equidigital number, since it uses as much as digits as its factorization.

5560606656661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794372379530.

The product of its (nonzero) digits is 34992000, while the sum is 58.

The spelling of 5560606656661 in words is "five trillion, five hundred sixty billion, six hundred six million, six hundred fifty-six thousand, six hundred sixty-one".