18505083 has 8 divisors (see below), whose sum is σ = 24913408. Its totient is φ = 12216744.

The previous prime is 18505073. The next prime is 18505111. The reversal of 18505083 is 38050581.

It is a happy number.

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

It is not a de Polignac number, because 18505083 - 2⁵ = 18505051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18505083.

It is not an unprimeable number, because it can be changed into a prime (18505013) 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, 29635 + ... + 30252.

It is an arithmetic number, because the mean of its divisors is an integer number (3114176).

Almost surely, 2^18505083 is an apocalyptic number.

18505083 is a deficient number, since it is larger than the sum of its proper divisors (6408325).

18505083 is a wasteful number, since it uses less digits than its factorization.

18505083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59993.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 18505083 is about 4301.7534796871. The cubic root of 18505083 is about 264.5028438462.

The spelling of 18505083 in words is "eighteen million, five hundred five thousand, eighty-three".