18073542584 has 8 divisors (see below), whose sum is σ = 33887892360. Its totient is φ = 9036771288.

The previous prime is 18073542581. The next prime is 18073542601. The reversal of 18073542584 is 48524537081.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×18073542584² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18073542581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129596404 + ... + 1129596419.

It is an arithmetic number, because the mean of its divisors is an integer number (4235986545).

Almost surely, 2^18073542584 is an apocalyptic number.

It is an amenable number.

18073542584 is a deficient number, since it is larger than the sum of its proper divisors (15814349776).

18073542584 is a wasteful number, since it uses less digits than its factorization.

18073542584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259192829 (or 2259192825 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 18073542584 in words is "eighteen billion, seventy-three million, five hundred forty-two thousand, five hundred eighty-four".