18674481594 has 16 divisors (see below), whose sum is σ = 37352872800. Its totient is φ = 6224175600.

The previous prime is 18674481541. The next prime is 18674481611. The reversal of 18674481594 is 49518447681.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98869 + ... + 217080.

It is an arithmetic number, because the mean of its divisors is an integer number (2334554550).

Almost surely, 2^18674481594 is an apocalyptic number.

18674481594 is an abundant number, since it is smaller than the sum of its proper divisors (18678391206).

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

18674481594 is a wasteful number, since it uses less digits than its factorization.

18674481594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325805.

The product of its digits is 7741440, while the sum is 57.

The spelling of 18674481594 in words is "eighteen billion, six hundred seventy-four million, four hundred eighty-one thousand, five hundred ninety-four".