18065545376000 has 288 divisors, whose sum is σ = 45398886973440. Its totient is φ = 7162960896000.

The previous prime is 18065545375993. The next prime is 18065545376083. The reversal of 18065545376000 is 67354556081.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 18065545376000.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2205531905 + ... + 2205540095.

Almost surely, 2^{18065545376000} is an apocalyptic number.

18065545376000 is a gapful number since it is divisible by the number (10) 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 18065545376000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22699443486720).

18065545376000 is an abundant number, since it is smaller than the sum of its proper divisors (27333341597440).

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

18065545376000 is an equidigital number, since it uses as much as digits as its factorization.

18065545376000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8818 (or 8794 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 18065545376000 in words is "eighteen trillion, sixty-five billion, five hundred forty-five million, three hundred seventy-six thousand".