165460521205 has 16 divisors (see below), whose sum is σ = 226924233984. Its totient is φ = 113455169280.

The previous prime is 165460521179. The next prime is 165460521209. The reversal of 165460521205 is 502125064561.

165460521205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165460521205 - 2¹¹ = 165460519157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165460521209) 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 15 ways as a sum of consecutive naturals, for example, 1694925 + ... + 1789885.

It is an arithmetic number, because the mean of its divisors is an integer number (14182764624).

Almost surely, 2^165460521205 is an apocalyptic number.

It is an amenable number.

165460521205 is a deficient number, since it is larger than the sum of its proper divisors (61463712779).

165460521205 is an equidigital number, since it uses as much as digits as its factorization.

165460521205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144756.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 165460521205 its reverse (502125064561), we get a palindrome (667585585766).

The spelling of 165460521205 in words is "one hundred sixty-five billion, four hundred sixty million, five hundred twenty-one thousand, two hundred five".