5665061655593 has 4 divisors (see below), whose sum is σ = 5744851256448. Its totient is φ = 5585272054740.

The previous prime is 5665061655587. The next prime is 5665061655601. The reversal of 5665061655593 is 3955561605665.

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 5665061655593 - 2⁴ = 5665061655577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5665061655893) 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, 39894800321 + ... + 39894800462.

It is an arithmetic number, because the mean of its divisors is an integer number (1436212814112).

Almost surely, 2^{5665061655593} is an apocalyptic number.

It is an amenable number.

5665061655593 is a deficient number, since it is larger than the sum of its proper divisors (79789600855).

5665061655593 is an equidigital number, since it uses as much as digits as its factorization.

5665061655593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79789600854.

The product of its (nonzero) digits is 109350000, while the sum is 62.

The spelling of 5665061655593 in words is "five trillion, six hundred sixty-five billion, sixty-one million, six hundred fifty-five thousand, five hundred ninety-three".