165166334124 has 24 divisors (see below), whose sum is σ = 420423396288. Its totient is φ = 50050404240.

The previous prime is 165166334117. The next prime is 165166334129. The reversal of 165166334124 is 421433661561.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (165166334129) 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, 625629922 + ... + 625630185.

It is an arithmetic number, because the mean of its divisors is an integer number (17517641512).

Almost surely, 2^165166334124 is an apocalyptic number.

It is an amenable number.

165166334124 is an abundant number, since it is smaller than the sum of its proper divisors (255257062164).

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

165166334124 is a wasteful number, since it uses less digits than its factorization.

165166334124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251260125 (or 1251260123 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

Adding to 165166334124 its reverse (421433661561), we get a palindrome (586599995685).

The spelling of 165166334124 in words is "one hundred sixty-five billion, one hundred sixty-six million, three hundred thirty-four thousand, one hundred twenty-four".