165120440113316 has 24 divisors (see below), whose sum is σ = 293040563828544. Its totient is φ = 81394643492960.

The previous prime is 165120440113297. The next prime is 165120440113319. The reversal of 165120440113316 is 613311044021561.

165120440113316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 165120440113316.

It is not an unprimeable number, because it can be changed into a prime (165120440113319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431350 + ... + 18228813.

It is an arithmetic number, because the mean of its divisors is an integer number (12210023492856).

Almost surely, 2^{165120440113316} is an apocalyptic number.

It is an amenable number.

165120440113316 is a deficient number, since it is larger than the sum of its proper divisors (127920123715228).

165120440113316 is a wasteful number, since it uses less digits than its factorization.

165120440113316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19689811 (or 19689809 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

Adding to 165120440113316 its reverse (613311044021561), we get a palindrome (778431484134877).

The spelling of 165120440113316 in words is "one hundred sixty-five trillion, one hundred twenty billion, four hundred forty million, one hundred thirteen thousand, three hundred sixteen".