18054168 has 48 divisors (see below), whose sum is σ = 49619640. Its totient is φ = 5470080.

The previous prime is 18054163. The next prime is 18054173. The reversal of 18054168 is 86145081.

It is an interprime number because it is at equal distance from previous prime (18054163) and next prime (18054173).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18054163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205 + ... + 6012.

Almost surely, 2^18054168 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 18054168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24809820).

18054168 is an abundant number, since it is smaller than the sum of its proper divisors (31565472).

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

18054168 is a wasteful number, since it uses less digits than its factorization.

18054168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248 (or 6233 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 18054168 is about 4249.0196516373. The cubic root of 18054168 is about 262.3367656347.

The spelling of 18054168 in words is "eighteen million, fifty-four thousand, one hundred sixty-eight".