520800168041 has 4 divisors (see below), whose sum is σ = 543443653632. Its totient is φ = 498156682452.

The previous prime is 520800168019. The next prime is 520800168071. The reversal of 520800168041 is 140861008025.

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 a de Polignac number, because none of the positive numbers 2^k-520800168041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520800167992 and 520800168010.

It is not an unprimeable number, because it can be changed into a prime (520800168071) 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, 11321742761 + ... + 11321742806.

It is an arithmetic number, because the mean of its divisors is an integer number (135860913408).

Almost surely, 2^520800168041 is an apocalyptic number.

It is an amenable number.

520800168041 is a deficient number, since it is larger than the sum of its proper divisors (22643485591).

520800168041 is a wasteful number, since it uses less digits than its factorization.

520800168041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22643485590.

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 520800168041 in words is "five hundred twenty billion, eight hundred million, one hundred sixty-eight thousand, forty-one".