18071368 has 32 divisors (see below), whose sum is σ = 38885760. Its totient is φ = 7712640.

The previous prime is 18071363. The next prime is 18071377. The reversal of 18071368 is 86317081.

It is not an unprimeable number, because it can be changed into a prime (18071363) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17013 + ... + 18043.

It is an arithmetic number, because the mean of its divisors is an integer number (1215180).

Almost surely, 2^18071368 is an apocalyptic number.

It is an amenable number.

18071368 is an abundant number, since it is smaller than the sum of its proper divisors (20814392).

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

18071368 is a wasteful number, since it uses less digits than its factorization.

18071368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 18071368 is about 4251.0431660946. The cubic root of 18071368 is about 262.4200476082.

It can be divided in two parts, 1807 and 1368, that multiplied together give a triangular number (2471976 = T₂₂₂₃).

The spelling of 18071368 in words is "eighteen million, seventy-one thousand, three hundred sixty-eight".