5665565660655 has 8 divisors (see below), whose sum is σ = 9064905057072. Its totient is φ = 3021635019008.

The previous prime is 5665565660603. The next prime is 5665565660663. The reversal of 5665565660655 is 5560665655665.

5665565660655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5665565660655 - 2⁷ = 5665565660527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188852188674 + ... + 188852188703.

It is an arithmetic number, because the mean of its divisors is an integer number (1133113132134).

Almost surely, 2^{5665565660655} is an apocalyptic number.

5665565660655 is a deficient number, since it is larger than the sum of its proper divisors (3399339396417).

5665565660655 is a wasteful number, since it uses less digits than its factorization.

5665565660655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377704377385.

The product of its (nonzero) digits is 729000000, while the sum is 66.

The spelling of 5665565660655 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-five million, six hundred sixty thousand, six hundred fifty-five".