18573060000 has 480 divisors, whose sum is σ = 67338044928. Its totient is φ = 4443520000.

The previous prime is 18573059959. The next prime is 18573060001. The reversal of 18573060000 is 6037581.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 18573060000.

It is not an unprimeable number, because it can be changed into a prime (18573060001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 70619869 + ... + 70620131.

Almost surely, 2^18573060000 is an apocalyptic number.

18573060000 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 18573060000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33669022464).

18573060000 is an abundant number, since it is smaller than the sum of its proper divisors (48764984928).

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

18573060000 is a wasteful number, since it uses less digits than its factorization.

18573060000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 18573060000 its reverse (6037581), we get a palindrome (18579097581).

The spelling of 18573060000 in words is "eighteen billion, five hundred seventy-three million, sixty thousand".