18285568 has 44 divisors (see below), whose sum is σ = 41791552. Its totient is φ = 7833600.

The previous prime is 18285563. The next prime is 18285593. The reversal of 18285568 is 86558281.

Its product of digits (153600) is a multiple of the sum of its prime divisors (2560).

It is not an unprimeable number, because it can be changed into a prime (18285563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5893 + ... + 8443.

It is an arithmetic number, because the mean of its divisors is an integer number (949808).

Almost surely, 2^18285568 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 18285568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20895776).

18285568 is an abundant number, since it is smaller than the sum of its proper divisors (23505984).

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

18285568 is an equidigital number, since it uses as much as digits as its factorization.

18285568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578 (or 2560 counting only the distinct ones).

The product of its digits is 153600, while the sum is 43.

The square root of 18285568 is about 4276.1627658451. The cubic root of 18285568 is about 263.4527998588.

It can be divided in two parts, 1828 and 5568, that added together give a square (7396 = 86²).

The spelling of 18285568 in words is "eighteen million, two hundred eighty-five thousand, five hundred sixty-eight".