18144173104 has 10 divisors (see below), whose sum is σ = 35154335420. Its totient is φ = 9072086544.

The previous prime is 18144173071. The next prime is 18144173111. The reversal of 18144173104 is 40137144181.

It is a super-2 number, since 2×18144173104² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18144173104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567005394 + ... + 567005425.

It is an arithmetic number, because the mean of its divisors is an integer number (3515433542).

Almost surely, 2^18144173104 is an apocalyptic number.

It is an amenable number.

18144173104 is a deficient number, since it is larger than the sum of its proper divisors (17010162316).

18144173104 is a wasteful number, since it uses less digits than its factorization.

18144173104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134010827 (or 1134010821 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 18144173104 in words is "eighteen billion, one hundred forty-four million, one hundred seventy-three thousand, one hundred four".