18163041 has 32 divisors (see below), whose sum is σ = 27527808. Its totient is φ = 10575360.

The previous prime is 18163039. The next prime is 18163063. The reversal of 18163041 is 14036181.

It is not a de Polignac number, because 18163041 - 2¹ = 18163039 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18163001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59010 + ... + 59316.

It is an arithmetic number, because the mean of its divisors is an integer number (860244).

Almost surely, 2^18163041 is an apocalyptic number.

It is an amenable number.

18163041 is a deficient number, since it is larger than the sum of its proper divisors (9364767).

18163041 is a wasteful number, since it uses less digits than its factorization.

18163041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 18163041 is about 4261.8119386008. The cubic root of 18163041 is about 262.8630369183.

The spelling of 18163041 in words is "eighteen million, one hundred sixty-three thousand, forty-one".