18068571 has 6 divisors (see below), whose sum is σ = 26099060. Its totient is φ = 12045708.

The previous prime is 18068549. The next prime is 18068579. The reversal of 18068571 is 17586081.

18068571 is a `hidden beast` number, since 1 + 80 + 6 + 8 + 571 = 666.

It is not a de Polignac number, because 18068571 - 2¹⁰ = 18067547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18068579) 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 5 ways as a sum of consecutive naturals, for example, 1003801 + ... + 1003818.

Almost surely, 2^18068571 is an apocalyptic number.

18068571 is a deficient number, since it is larger than the sum of its proper divisors (8030489).

18068571 is a wasteful number, since it uses less digits than its factorization.

18068571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007625 (or 2007622 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 18068571 is about 4250.7141752887. The cubic root of 18068571 is about 262.4065082026.

The spelling of 18068571 in words is "eighteen million, sixty-eight thousand, five hundred seventy-one".