18132202136584 has 8 divisors (see below), whose sum is σ = 33997879006110. Its totient is φ = 9066101068288.

The previous prime is 18132202136569. The next prime is 18132202136591. The reversal of 18132202136584 is 48563120223181.

It can be written as a sum of positive squares in only one way, i.e., 11193561279684 + 6938640856900 = 3345678^2 + 2634130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133262633529 + ... + 1133262633544.

Almost surely, 2^{18132202136584} is an apocalyptic number.

It is an amenable number.

18132202136584 is a deficient number, since it is larger than the sum of its proper divisors (15865676869526).

18132202136584 is a wasteful number, since it uses less digits than its factorization.

18132202136584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266525267079 (or 2266525267075 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 18132202136584 in words is "eighteen trillion, one hundred thirty-two billion, two hundred two million, one hundred thirty-six thousand, five hundred eighty-four".