18055384146 has 48 divisors (see below), whose sum is σ = 40842382464. Its totient is φ = 5753755392.

The previous prime is 18055384121. The next prime is 18055384153. The reversal of 18055384146 is 64148355081.

18055384146 is a `hidden beast` number, since 1 + 8 + 0 + 553 + 84 + 14 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 853570 + ... + 874466.

It is an arithmetic number, because the mean of its divisors is an integer number (850882968).

Almost surely, 2^18055384146 is an apocalyptic number.

18055384146 is an abundant number, since it is smaller than the sum of its proper divisors (22786998318).

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

18055384146 is a wasteful number, since it uses less digits than its factorization.

18055384146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23015 (or 23012 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 18055384146 in words is "eighteen billion, fifty-five million, three hundred eighty-four thousand, one hundred forty-six".