18145888883 has 4 divisors (see below), whose sum is σ = 18151473768. Its totient is φ = 18140304000.

The previous prime is 18145888841. The next prime is 18145888889. The reversal of 18145888883 is 38888854181.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18145888883 - 2¹² = 18145884787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18145888889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787566 + ... + 2794067.

It is an arithmetic number, because the mean of its divisors is an integer number (4537868442).

Almost surely, 2^18145888883 is an apocalyptic number.

18145888883 is a deficient number, since it is larger than the sum of its proper divisors (5584885).

18145888883 is an equidigital number, since it uses as much as digits as its factorization.

18145888883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584884.

The product of its digits is 15728640, while the sum is 62.

The spelling of 18145888883 in words is "eighteen billion, one hundred forty-five million, eight hundred eighty-eight thousand, eight hundred eighty-three".