18330128054 has 24 divisors (see below), whose sum is σ = 32764312728. Its totient is φ = 7664163360.

The previous prime is 18330128053. The next prime is 18330128081. The reversal of 18330128054 is 45082103381.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18330128053) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2276984 + ... + 2285019.

It is an arithmetic number, because the mean of its divisors is an integer number (1365179697).

Almost surely, 2^18330128054 is an apocalyptic number.

18330128054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18330128054 is a deficient number, since it is larger than the sum of its proper divisors (14434184674).

18330128054 is a wasteful number, since it uses less digits than its factorization.

18330128054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562060 (or 4562053 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 18330128054 in words is "eighteen billion, three hundred thirty million, one hundred twenty-eight thousand, fifty-four".