18348541983888 has 320 divisors, whose sum is σ = 49838810112000. Its totient is φ = 5809392433152.

The previous prime is 18348541983857. The next prime is 18348541983899. The reversal of 18348541983888 is 88838914584381.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25238709381 + ... + 25238710107.

It is an arithmetic number, because the mean of its divisors is an integer number (155746281600).

Almost surely, 2^{18348541983888} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18348541983888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24919405056000).

18348541983888 is an abundant number, since it is smaller than the sum of its proper divisors (31490268128112).

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

18348541983888 is a wasteful number, since it uses less digits than its factorization.

18348541983888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1816 counting only the distinct ones).

The product of its digits is 1698693120, while the sum is 78.

The spelling of 18348541983888 in words is "eighteen trillion, three hundred forty-eight billion, five hundred forty-one million, nine hundred eighty-three thousand, eight hundred eighty-eight".