165116608368 has 20 divisors (see below), whose sum is σ = 426551238408. Its totient is φ = 55038869440.

The previous prime is 165116608361. The next prime is 165116608427. The reversal of 165116608368 is 863806611561.

It is a self number, because there is not a number n which added to its sum of digits gives 165116608368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165116608361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719964623 + ... + 1719964718.

Almost surely, 2^165116608368 is an apocalyptic number.

It is an amenable number.

165116608368 is an abundant number, since it is smaller than the sum of its proper divisors (261434630040).

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

165116608368 is a wasteful number, since it uses less digits than its factorization.

165116608368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439929352 (or 3439929346 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 165116608368 in words is "one hundred sixty-five billion, one hundred sixteen million, six hundred eight thousand, three hundred sixty-eight".