165043313036322 has 32 divisors (see below), whose sum is σ = 377292004227072. Its totient is φ = 47148964063824.

The previous prime is 165043313036321. The next prime is 165043313036347. The reversal of 165043313036322 is 223630313340561.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (165043313036321) 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, 260856618 + ... + 261488549.

It is an arithmetic number, because the mean of its divisors is an integer number (11790375132096).

Almost surely, 2^{165043313036322} is an apocalyptic number.

165043313036322 is an abundant number, since it is smaller than the sum of its proper divisors (212248691190750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165043313036322 is a wasteful number, since it uses less digits than its factorization.

165043313036322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522352702.

The product of its (nonzero) digits is 699840, while the sum is 42.

Adding to 165043313036322 its reverse (223630313340561), we get a palindrome (388673626376883).

The spelling of 165043313036322 in words is "one hundred sixty-five trillion, forty-three billion, three hundred thirteen million, thirty-six thousand, three hundred twenty-two".