18168468 has 12 divisors (see below), whose sum is σ = 42393120. Its totient is φ = 6056152.

The previous prime is 18168467. The next prime is 18168481. The reversal of 18168468 is 86486181.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18168467) 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 3 ways as a sum of consecutive naturals, for example, 757008 + ... + 757031.

It is an arithmetic number, because the mean of its divisors is an integer number (3532760).

Almost surely, 2^18168468 is an apocalyptic number.

It is an amenable number.

18168468 is an abundant number, since it is smaller than the sum of its proper divisors (24224652).

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

18168468 is a wasteful number, since it uses less digits than its factorization.

18168468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514046 (or 1514044 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 18168468 is about 4262.4485920654. The cubic root of 18168468 is about 262.8892149070.

The spelling of 18168468 in words is "eighteen million, one hundred sixty-eight thousand, four hundred sixty-eight".