5665165506061 has 4 divisors (see below), whose sum is σ = 5665283179072. Its totient is φ = 5665047833052.

The previous prime is 5665165506047. The next prime is 5665165506083. The reversal of 5665165506061 is 1606055615665.

5665165506061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5665165506061 - 2¹⁵ = 5665165473293 is a prime.

It is a super-2 number, since 2×5665165506061² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665165506041) 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, 58764261 + ... + 58860586.

It is an arithmetic number, because the mean of its divisors is an integer number (1416320794768).

Almost surely, 2^{5665165506061} is an apocalyptic number.

It is an amenable number.

5665165506061 is a deficient number, since it is larger than the sum of its proper divisors (117673011).

5665165506061 is a wasteful number, since it uses less digits than its factorization.

5665165506061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117673010.

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 5665165506061 in words is "five trillion, six hundred sixty-five billion, one hundred sixty-five million, five hundred six thousand, sixty-one".