18137273583 has 48 divisors (see below), whose sum is σ = 29613396960. Its totient is φ = 9796765440.

The previous prime is 18137273573. The next prime is 18137273587. The reversal of 18137273583 is 38537273181.

It is not a de Polignac number, because 18137273583 - 2⁹ = 18137273071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18137273587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70585 + ... + 203117.

It is an arithmetic number, because the mean of its divisors is an integer number (616945770).

Almost surely, 2^18137273583 is an apocalyptic number.

18137273583 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18137273583 is a deficient number, since it is larger than the sum of its proper divisors (11476123377).

18137273583 is a wasteful number, since it uses less digits than its factorization.

18137273583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132600 (or 132589 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The spelling of 18137273583 in words is "eighteen billion, one hundred thirty-seven million, two hundred seventy-three thousand, five hundred eighty-three".