18103055 has 8 divisors (see below), whose sum is σ = 21816000. Its totient is φ = 14420896.

The previous prime is 18103049. The next prime is 18103061. The reversal of 18103055 is 55030181.

It is an interprime number because it is at equal distance from previous prime (18103049) and next prime (18103061).

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 18103055 - 2²² = 13908751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18103055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6380 + ... + 8769.

It is an arithmetic number, because the mean of its divisors is an integer number (2727000).

Almost surely, 2^18103055 is an apocalyptic number.

18103055 is a deficient number, since it is larger than the sum of its proper divisors (3712945).

18103055 is a wasteful number, since it uses less digits than its factorization.

18103055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15393.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 18103055 is about 4254.7685013406. The cubic root of 18103055 is about 262.5733370300.

The spelling of 18103055 in words is "eighteen million, one hundred three thousand, fifty-five".