18080383 has 12 divisors (see below), whose sum is σ = 19045152. Its totient is φ = 17156160.

The previous prime is 18080351. The next prime is 18080393. The reversal of 18080383 is 38308081.

It is not a de Polignac number, because 18080383 - 2⁵ = 18080351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18080393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64203 + ... + 64483.

It is an arithmetic number, because the mean of its divisors is an integer number (1587096).

Almost surely, 2^18080383 is an apocalyptic number.

18080383 is a deficient number, since it is larger than the sum of its proper divisors (964769).

18080383 is an equidigital number, since it uses as much as digits as its factorization.

18080383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 18080383 is about 4252.1033618669. The cubic root of 18080383 is about 262.4636769091.

The spelling of 18080383 in words is "eighteen million, eighty thousand, three hundred eighty-three".