165055555005 has 16 divisors (see below), whose sum is σ = 288096969024. Its totient is φ = 80026935680.

The previous prime is 165055555003. The next prime is 165055555009. The reversal of 165055555005 is 500555550561.

It is not a de Polignac number, because 165055555005 - 2¹ = 165055555003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165055555003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500168184 + ... + 500168513.

It is an arithmetic number, because the mean of its divisors is an integer number (18006060564).

Almost surely, 2^165055555005 is an apocalyptic number.

165055555005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165055555005 is a deficient number, since it is larger than the sum of its proper divisors (123041414019).

165055555005 is a wasteful number, since it uses less digits than its factorization.

165055555005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000336716.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 165055555005 in words is "one hundred sixty-five billion, fifty-five million, five hundred fifty-five thousand, five".