506565155165 has 16 divisors (see below), whose sum is σ = 610288162560. Its totient is φ = 403646293440.

The previous prime is 506565155141. The next prime is 506565155171. The reversal of 506565155165 is 561551565605.

It is not a de Polignac number, because 506565155165 - 2²⁰ = 506564106589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5095706 + ... + 5194164.

It is an arithmetic number, because the mean of its divisors is an integer number (38143010160).

Almost surely, 2^506565155165 is an apocalyptic number.

It is an amenable number.

506565155165 is a deficient number, since it is larger than the sum of its proper divisors (103723007395).

506565155165 is a wasteful number, since it uses less digits than its factorization.

506565155165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102532.

The product of its (nonzero) digits is 3375000, while the sum is 50.

The spelling of 506565155165 in words is "five hundred six billion, five hundred sixty-five million, one hundred fifty-five thousand, one hundred sixty-five".