18060518181888 has 3168 divisors, whose sum is σ = 73090481091264. Its totient is φ = 4237899595776.

The previous prime is 18060518181829. The next prime is 18060518181889. The reversal of 18060518181888 is 88818181506081.

18060518181888 is a `hidden beast` number, since 1 + 8 + 0 + 605 + 1 + 8 + 1 + 8 + 18 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (18060518181889) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 247404358620 + ... + 247404358692.

Almost surely, 2^{18060518181888} is an apocalyptic number.

18060518181888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18060518181888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36545240545632).

18060518181888 is an abundant number, since it is smaller than the sum of its proper divisors (55029962909376).

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

18060518181888 is a wasteful number, since it uses less digits than its factorization.

18060518181888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 7864320, while the sum is 63.

The spelling of 18060518181888 in words is "eighteen trillion, sixty billion, five hundred eighteen million, one hundred eighty-one thousand, eight hundred eighty-eight".