18082101 has 8 divisors (see below), whose sum is σ = 25527744. Its totient is φ = 11345600.

The previous prime is 18082087. The next prime is 18082111. The reversal of 18082101 is 10128081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18082101 - 2¹⁴ = 18065717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18082111) 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, 177225 + ... + 177326.

It is an arithmetic number, because the mean of its divisors is an integer number (3190968).

Almost surely, 2^18082101 is an apocalyptic number.

It is an amenable number.

18082101 is a deficient number, since it is larger than the sum of its proper divisors (7445643).

18082101 is a wasteful number, since it uses less digits than its factorization.

18082101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354571.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 18082101 is about 4252.3053747350. The cubic root of 18082101 is about 262.4719897550.

The spelling of 18082101 in words is "eighteen million, eighty-two thousand, one hundred one".