18383954017604 has 24 divisors (see below), whose sum is σ = 36768145514688. Its totient is φ = 7878786547680.

The previous prime is 18383954017573. The next prime is 18383954017673. The reversal of 18383954017604 is 40671045938381.

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, 2466239 + ... + 6546009.

It is an arithmetic number, because the mean of its divisors is an integer number (1532006063112).

Almost surely, 2^{18383954017604} is an apocalyptic number.

18383954017604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18383954017604 is an abundant number, since it is smaller than the sum of its proper divisors (18384191497084).

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

18383954017604 is a wasteful number, since it uses less digits than its factorization.

18383954017604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240715 (or 4240713 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 18383954017604 in words is "eighteen trillion, three hundred eighty-three billion, nine hundred fifty-four million, seventeen thousand, six hundred four".