18418075333672 has 16 divisors (see below), whose sum is σ = 39467304286560. Its totient is φ = 7893460857264.

The previous prime is 18418075333531. The next prime is 18418075333727. The reversal of 18418075333672 is 27633357081481.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 164447101138 + ... + 164447101249.

It is an arithmetic number, because the mean of its divisors is an integer number (2466706517910).

Almost surely, 2^{18418075333672} is an apocalyptic number.

It is an amenable number.

18418075333672 is an abundant number, since it is smaller than the sum of its proper divisors (21049228952888).

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

18418075333672 is a wasteful number, since it uses less digits than its factorization.

18418075333672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328894202400 (or 328894202396 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 18418075333672 in words is "eighteen trillion, four hundred eighteen billion, seventy-five million, three hundred thirty-three thousand, six hundred seventy-two".