18384352684 has 12 divisors (see below), whose sum is σ = 33282018000. Its totient is φ = 8875204688.

The previous prime is 18384352603. The next prime is 18384352717. The reversal of 18384352684 is 48625348381.

It is a super-3 number, since 3×18384352684³ (a number of 32 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 79242784 + ... + 79243015.

It is an arithmetic number, because the mean of its divisors is an integer number (2773501500).

Almost surely, 2^18384352684 is an apocalyptic number.

It is an amenable number.

18384352684 is a deficient number, since it is larger than the sum of its proper divisors (14897665316).

18384352684 is a wasteful number, since it uses less digits than its factorization.

18384352684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158485832 (or 158485830 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The spelling of 18384352684 in words is "eighteen billion, three hundred eighty-four million, three hundred fifty-two thousand, six hundred eighty-four".