165153645126 has 96 divisors (see below), whose sum is σ = 376221736800. Its totient is φ = 52311029760.

The previous prime is 165153645119. The next prime is 165153645127. The reversal of 165153645126 is 621546351561.

165153645126 is a `hidden beast` number, since 1 + 6 + 51 + 536 + 45 + 1 + 26 = 666.

165153645126 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 (165153645127) 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 47 ways as a sum of consecutive naturals, for example, 4381930 + ... + 4419458.

It is an arithmetic number, because the mean of its divisors is an integer number (3918976425).

Almost surely, 2^165153645126 is an apocalyptic number.

165153645126 is an abundant number, since it is smaller than the sum of its proper divisors (211068091674).

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

165153645126 is a wasteful number, since it uses less digits than its factorization.

165153645126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37734 (or 37731 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

Adding to 165153645126 its reverse (621546351561), we get a palindrome (786699996687).

The spelling of 165153645126 in words is "one hundred sixty-five billion, one hundred fifty-three million, six hundred forty-five thousand, one hundred twenty-six".