165849247124 has 48 divisors (see below), whose sum is σ = 327870305280. Its totient is φ = 72712940160.

The previous prime is 165849247063. The next prime is 165849247127. The reversal of 165849247124 is 421742948561.

It is a happy number.

165849247124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165849247127) 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, 1206989 + ... + 1337355.

It is an arithmetic number, because the mean of its divisors is an integer number (6830631360).

Almost surely, 2^165849247124 is an apocalyptic number.

It is an amenable number.

165849247124 is a deficient number, since it is larger than the sum of its proper divisors (162021058156).

165849247124 is a wasteful number, since it uses less digits than its factorization.

165849247124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131408 (or 131406 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 165849247124 in words is "one hundred sixty-five billion, eight hundred forty-nine million, two hundred forty-seven thousand, one hundred twenty-four".