18041336672 has 48 divisors (see below), whose sum is σ = 35979688080. Its totient is φ = 8903989248.

The previous prime is 18041336647. The next prime is 18041336737. The reversal of 18041336672 is 27663314081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1752083 + ... + 1762349.

It is an arithmetic number, because the mean of its divisors is an integer number (749576835).

Almost surely, 2^18041336672 is an apocalyptic number.

It is an amenable number.

18041336672 is a deficient number, since it is larger than the sum of its proper divisors (17938351408).

18041336672 is a wasteful number, since it uses less digits than its factorization.

18041336672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10983 (or 10975 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 18041336672 in words is "eighteen billion, forty-one million, three hundred thirty-six thousand, six hundred seventy-two".