18143068 has 12 divisors (see below), whose sum is σ = 31787560. Its totient is φ = 9060912.

The previous prime is 18143051. The next prime is 18143071. The reversal of 18143068 is 86034181.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2155 + ... + 6397.

Almost surely, 2^18143068 is an apocalyptic number.

It is an amenable number.

18143068 is a deficient number, since it is larger than the sum of its proper divisors (13644492).

18143068 is a wasteful number, since it uses less digits than its factorization.

18143068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316 (or 5314 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 18143068 is about 4259.4680419038. The cubic root of 18143068 is about 262.7666490748.

The spelling of 18143068 in words is "eighteen million, one hundred forty-three thousand, sixty-eight".