18082968 has 128 divisors (see below), whose sum is σ = 52254720. Its totient is φ = 5181440.

The previous prime is 18082963. The next prime is 18082993. The reversal of 18082968 is 86928081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18082963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384721 + ... + 384767.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 2^18082968 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 18082968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26127360).

18082968 is an abundant number, since it is smaller than the sum of its proper divisors (34171752).

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

18082968 is a wasteful number, since it uses less digits than its factorization.

18082968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 18082968 is about 4252.4073182140. The cubic root of 18082968 is about 262.4761846875.

The spelling of 18082968 in words is "eighteen million, eighty-two thousand, nine hundred sixty-eight".