165435205365636 has 48 divisors (see below), whose sum is σ = 387261787230528. Its totient is φ = 54967301568000.

The previous prime is 165435205365611. The next prime is 165435205365659. The reversal of 165435205365636 is 636563502534561.

165435205365636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 165435205365636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12543265 + ... + 22095336.

It is an arithmetic number, because the mean of its divisors is an integer number (8067953900636).

Almost surely, 2^{165435205365636} is an apocalyptic number.

It is an amenable number.

165435205365636 is an abundant number, since it is smaller than the sum of its proper divisors (221826581864892).

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

165435205365636 is a wasteful number, since it uses less digits than its factorization.

165435205365636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34639892 (or 34639890 counting only the distinct ones).

The product of its (nonzero) digits is 174960000, while the sum is 60.

The spelling of 165435205365636 in words is "one hundred sixty-five trillion, four hundred thirty-five billion, two hundred five million, three hundred sixty-five thousand, six hundred thirty-six".