18182103 has 8 divisors (see below), whose sum is σ = 24300528. Its totient is φ = 12092544.

The previous prime is 18182093. The next prime is 18182113. The reversal of 18182103 is 30128181.

It is an interprime number because it is at equal distance from previous prime (18182093) and next prime (18182113).

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

It is not a de Polignac number, because 18182103 - 2⁵ = 18182071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18182113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5700 + ... + 8297.

It is an arithmetic number, because the mean of its divisors is an integer number (3037566).

Almost surely, 2^18182103 is an apocalyptic number.

18182103 is a deficient number, since it is larger than the sum of its proper divisors (6118425).

18182103 is a wasteful number, since it uses less digits than its factorization.

18182103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14433.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 18182103 is about 4264.0477248736. The cubic root of 18182103 is about 262.9549624818.

The spelling of 18182103 in words is "eighteen million, one hundred eighty-two thousand, one hundred three".