18582199653 has 16 divisors (see below), whose sum is σ = 24837889536. Its totient is φ = 12357358080.

The previous prime is 18582199651. The next prime is 18582199679. The reversal of 18582199653 is 35699128581.

It is a happy number.

It is not a de Polignac number, because 18582199653 - 2¹ = 18582199651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18582199593 and 18582199602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18582199651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605933 + ... + 2613053.

It is an arithmetic number, because the mean of its divisors is an integer number (1552368096).

Almost surely, 2^18582199653 is an apocalyptic number.

It is an amenable number.

18582199653 is a deficient number, since it is larger than the sum of its proper divisors (6255689883).

18582199653 is a wasteful number, since it uses less digits than its factorization.

18582199653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9164.

The product of its digits is 4665600, while the sum is 57.

The spelling of 18582199653 in words is "eighteen billion, five hundred eighty-two million, one hundred ninety-nine thousand, six hundred fifty-three".