163601613206205 has 32 divisors (see below), whose sum is σ = 270870221836800. Its totient is φ = 84220121137152.

The previous prime is 163601613206179. The next prime is 163601613206209. The reversal of 163601613206205 is 502602316106361.

It is not a de Polignac number, because 163601613206205 - 2¹¹ = 163601613204157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163601613206209) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 55039669 + ... + 57935898.

It is an arithmetic number, because the mean of its divisors is an integer number (8464694432400).

Almost surely, 2^{163601613206205} is an apocalyptic number.

163601613206205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163601613206205 is a deficient number, since it is larger than the sum of its proper divisors (107268608630595).

163601613206205 is a wasteful number, since it uses less digits than its factorization.

163601613206205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112978933.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 163601613206205 in words is "one hundred sixty-three trillion, six hundred one billion, six hundred thirteen million, two hundred six thousand, two hundred five".