163644055164145 has 16 divisors (see below), whose sum is σ = 200376603313920. Its totient is φ = 128271386131200.

The previous prime is 163644055164137. The next prime is 163644055164151. The reversal of 163644055164145 is 541461550446361.

163644055164145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163644055164145 - 2³ = 163644055164137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1581203016 + ... + 1581306505.

It is an arithmetic number, because the mean of its divisors is an integer number (12523537707120).

Almost surely, 2^{163644055164145} is an apocalyptic number.

It is an amenable number.

163644055164145 is a deficient number, since it is larger than the sum of its proper divisors (36732548149775).

163644055164145 is a wasteful number, since it uses less digits than its factorization.

163644055164145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162509736.

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 163644055164145 in words is "one hundred sixty-three trillion, six hundred forty-four billion, fifty-five million, one hundred sixty-four thousand, one hundred forty-five".