165403548134 has 16 divisors (see below), whose sum is σ = 270666594576. Its totient is φ = 75181696800.

The previous prime is 165403548127. The next prime is 165403548151. The reversal of 165403548134 is 431845304561.

165403548134 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 an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1856864 + ... + 1943900.

It is an arithmetic number, because the mean of its divisors is an integer number (16916662161).

Almost surely, 2^165403548134 is an apocalyptic number.

165403548134 is a deficient number, since it is larger than the sum of its proper divisors (105263046442).

165403548134 is a wasteful number, since it uses less digits than its factorization.

165403548134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173431.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 165403548134 in words is "one hundred sixty-five billion, four hundred three million, five hundred forty-eight thousand, one hundred thirty-four".