163550469144 has 64 divisors (see below), whose sum is σ = 432988208640. Its totient is φ = 51302781440.

The previous prime is 163550469143. The next prime is 163550469191. The reversal of 163550469144 is 441964055361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 163550469093 and 163550469102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163550469143) 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, 3412789 + ... + 3460379.

It is an arithmetic number, because the mean of its divisors is an integer number (6765440760).

Almost surely, 2^163550469144 is an apocalyptic number.

It is an amenable number.

163550469144 is an abundant number, since it is smaller than the sum of its proper divisors (269437739496).

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

163550469144 is a wasteful number, since it uses less digits than its factorization.

163550469144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56040 (or 56036 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 163550469144 in words is "one hundred sixty-three billion, five hundred fifty million, four hundred sixty-nine thousand, one hundred forty-four".