163550441518422 has 32 divisors (see below), whose sum is σ = 395819555945472. Its totient is φ = 43979950660224.

The previous prime is 163550441518421. The next prime is 163550441518447. The reversal of 163550441518422 is 224815144055361.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163550441518421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114531120798 + ... + 114531122225.

It is an arithmetic number, because the mean of its divisors is an integer number (12369361123296).

Almost surely, 2^{163550441518422} is an apocalyptic number.

163550441518422 is an abundant number, since it is smaller than the sum of its proper divisors (232269114427050).

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

163550441518422 is a wasteful number, since it uses less digits than its factorization.

163550441518422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229062243052.

The product of its (nonzero) digits is 4608000, while the sum is 51.

The spelling of 163550441518422 in words is "one hundred sixty-three trillion, five hundred fifty billion, four hundred forty-one million, five hundred eighteen thousand, four hundred twenty-two".