5666765717573 has 4 divisors (see below), whose sum is σ = 5666802062028. Its totient is φ = 5666729373120.

The previous prime is 5666765717551. The next prime is 5666765717609. The reversal of 5666765717573 is 3757175676665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2359888933249 + 3306876784324 = 1536193^2 + 1818482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5666765717573 is a prime.

It is a super-2 number, since 2×5666765717573² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5666765717497 and 5666765717506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666765717273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17937338 + ... + 18250523.

It is an arithmetic number, because the mean of its divisors is an integer number (1416700515507).

Almost surely, 2^{5666765717573} is an apocalyptic number.

It is an amenable number.

5666765717573 is a deficient number, since it is larger than the sum of its proper divisors (36344455).

5666765717573 is a wasteful number, since it uses less digits than its factorization.

5666765717573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36344454.

The product of its digits is 1166886000, while the sum is 71.

The spelling of 5666765717573 in words is "five trillion, six hundred sixty-six billion, seven hundred sixty-five million, seven hundred seventeen thousand, five hundred seventy-three".