5665565506606 has 16 divisors (see below), whose sum is σ = 8823132663840. Its totient is φ = 2725226572320.

The previous prime is 5665565506589. The next prime is 5665565506607. The reversal of 5665565506606 is 6066055655665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665565506607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176305530 + ... + 176337661.

It is an arithmetic number, because the mean of its divisors is an integer number (551445791490).

Almost surely, 2^{5665565506606} is an apocalyptic number.

5665565506606 is a deficient number, since it is larger than the sum of its proper divisors (3157567157234).

5665565506606 is a wasteful number, since it uses less digits than its factorization.

5665565506606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352643499.

The product of its (nonzero) digits is 145800000, while the sum is 61.

The spelling of 5665565506606 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-five million, five hundred six thousand, six hundred six".