18482191 has 16 divisors (see below), whose sum is σ = 23030784. Its totient is φ = 14441184.

The previous prime is 18482173. The next prime is 18482201. The reversal of 18482191 is 19128481.

It is a cyclic number.

It is not a de Polignac number, because 18482191 - 2⁷ = 18482063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18482141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6330 + ... + 8776.

It is an arithmetic number, because the mean of its divisors is an integer number (1439424).

Almost surely, 2^18482191 is an apocalyptic number.

18482191 is a deficient number, since it is larger than the sum of its proper divisors (4548593).

18482191 is a wasteful number, since it uses less digits than its factorization.

18482191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550.

The product of its digits is 4608, while the sum is 34.

The square root of 18482191 is about 4299.0918808511. The cubic root of 18482191 is about 264.3937297247.

The spelling of 18482191 in words is "eighteen million, four hundred eighty-two thousand, one hundred ninety-one".