165249336048 has 40 divisors (see below), whose sum is σ = 432037431168. Its totient is φ = 54419458752.

The previous prime is 165249336047. The next prime is 165249336059. The reversal of 165249336048 is 840633942561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165249336041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20735140 + ... + 20743107.

Almost surely, 2^165249336048 is an apocalyptic number.

It is an amenable number.

165249336048 is an abundant number, since it is smaller than the sum of its proper divisors (266788095120).

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

165249336048 is a wasteful number, since it uses less digits than its factorization.

165249336048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41478341 (or 41478335 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 165249336048 in words is "one hundred sixty-five billion, two hundred forty-nine million, three hundred thirty-six thousand, forty-eight".