18041146 has 16 divisors (see below), whose sum is σ = 28627200. Its totient is φ = 8503488.

The previous prime is 18041099. The next prime is 18041159. The reversal of 18041146 is 64114081.

It is a self number, because there is not a number n which added to its sum of digits gives 18041146.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7410 + ... + 9538.

It is an arithmetic number, because the mean of its divisors is an integer number (1789200).

Almost surely, 2^18041146 is an apocalyptic number.

18041146 is a deficient number, since it is larger than the sum of its proper divisors (10586054).

18041146 is a wasteful number, since it uses less digits than its factorization.

18041146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 18041146 is about 4247.4870217577. The cubic root of 18041146 is about 262.2736782446.

The spelling of 18041146 in words is "eighteen million, forty-one thousand, one hundred forty-six".