165043324521122 has 32 divisors (see below), whose sum is σ = 257807838355200. Its totient is φ = 79145931567808.

The previous prime is 165043324521029. The next prime is 165043324521133. The reversal of 165043324521122 is 221125423340561.

It is a self number, because there is not a number n which added to its sum of digits gives 165043324521122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8754779 + ... + 20167617.

It is an arithmetic number, because the mean of its divisors is an integer number (8056494948600).

Almost surely, 2^{165043324521122} is an apocalyptic number.

165043324521122 is a deficient number, since it is larger than the sum of its proper divisors (92764513834078).

165043324521122 is a wasteful number, since it uses less digits than its factorization.

165043324521122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11414530.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 165043324521122 its reverse (221125423340561), we get a palindrome (386168747861683).

The spelling of 165043324521122 in words is "one hundred sixty-five trillion, forty-three billion, three hundred twenty-four million, five hundred twenty-one thousand, one hundred twenty-two".