18068064 has 144 divisors (see below), whose sum is σ = 57915648. Its totient is φ = 4908288.

The previous prime is 18068033. The next prime is 18068137. The reversal of 18068064 is 46086081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108109 + ... + 108275.

It is an arithmetic number, because the mean of its divisors is an integer number (402192).

Almost surely, 2^18068064 is an apocalyptic number.

18068064 is a gapful number since it is divisible by the number (14) 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 18068064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28957824).

18068064 is an abundant number, since it is smaller than the sum of its proper divisors (39847584).

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

18068064 is a wasteful number, since it uses less digits than its factorization.

18068064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 202 counting only the distinct ones).

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

The square root of 18068064 is about 4250.6545378330. The cubic root of 18068064 is about 262.4040538239.

It can be divided in two parts, 1806 and 8064, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 18068064 in words is "eighteen million, sixty-eight thousand, sixty-four".