505700550165 has 8 divisors (see below), whose sum is σ = 809120880288. Its totient is φ = 269706960080.

The previous prime is 505700550149. The next prime is 505700550191. The reversal of 505700550165 is 561055007505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505700550165 - 2⁴ = 505700550149 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16856684991 + ... + 16856685020.

It is an arithmetic number, because the mean of its divisors is an integer number (101140110036).

Almost surely, 2^505700550165 is an apocalyptic number.

It is an amenable number.

505700550165 is a deficient number, since it is larger than the sum of its proper divisors (303420330123).

505700550165 is a wasteful number, since it uses less digits than its factorization.

505700550165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33713370019.

The product of its (nonzero) digits is 131250, while the sum is 39.

The spelling of 505700550165 in words is "five hundred five billion, seven hundred million, five hundred fifty thousand, one hundred sixty-five".