18060000 has 240 divisors, whose sum is σ = 69277824. Its totient is φ = 4032000.

The previous prime is 18059983. The next prime is 18060017. The reversal of 18060000 is 6081.

It is an interprime number because it is at equal distance from previous prime (18059983) and next prime (18060017).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 419979 + ... + 420021.

Almost surely, 2^18060000 is an apocalyptic number.

18060000 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 18060000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34638912).

18060000 is an abundant number, since it is smaller than the sum of its proper divisors (51217824).

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

18060000 is an equidigital number, since it uses as much as digits as its factorization.

18060000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 18060000 is about 4249.7058721752. The cubic root of 18060000 is about 262.3650099587.

Adding to 18060000 its reverse (6081), we get a palindrome (18066081).

The spelling of 18060000 in words is "eighteen million, sixty thousand".