18066048 has 256 divisors, whose sum is σ = 65802240. Its totient is φ = 4239360.

The previous prime is 18066011. The next prime is 18066067. The reversal of 18066048 is 84066081.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384361 + ... + 384407.

It is an arithmetic number, because the mean of its divisors is an integer number (257040).

Almost surely, 2^18066048 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 18066048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32901120).

18066048 is an abundant number, since it is smaller than the sum of its proper divisors (47736192).

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

18066048 is a wasteful number, since it uses less digits than its factorization.

18066048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 18066048 is about 4250.4173912688. The cubic root of 18066048 is about 262.3942939469.

Adding to 18066048 its sum of digits (33), we get a palindrome (18066081).

The spelling of 18066048 in words is "eighteen million, sixty-six thousand, forty-eight".