18090810365 has 8 divisors (see below), whose sum is σ = 22032987360. Its totient is φ = 14256638352.

The previous prime is 18090810343. The next prime is 18090810383. The reversal of 18090810365 is 56301809081.

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 18090810365 - 2¹⁸ = 18090548221 is a prime.

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, 27000875 + ... + 27001544.

It is an arithmetic number, because the mean of its divisors is an integer number (2754123420).

Almost surely, 2^18090810365 is an apocalyptic number.

It is an amenable number.

18090810365 is a deficient number, since it is larger than the sum of its proper divisors (3942176995).

18090810365 is an equidigital number, since it uses as much as digits as its factorization.

18090810365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54002491.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 18090810365 in words is "eighteen billion, ninety million, eight hundred ten thousand, three hundred sixty-five".