18286105653 has 24 divisors (see below), whose sum is σ = 27049880000. Its totient is φ = 11897383680.

The previous prime is 18286105639. The next prime is 18286105699. The reversal of 18286105653 is 35650168281.

18286105653 is a `hidden beast` number, since 1 + 8 + 2 + 86 + 1 + 0 + 565 + 3 = 666.

It is not a de Polignac number, because 18286105653 - 2¹⁶ = 18286040117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18286105599 and 18286105608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18286100653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464448 + ... + 502278.

Almost surely, 2^18286105653 is an apocalyptic number.

It is an amenable number.

18286105653 is a deficient number, since it is larger than the sum of its proper divisors (8763774347).

18286105653 is a wasteful number, since it uses less digits than its factorization.

18286105653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39129 (or 39126 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 18286105653 in words is "eighteen billion, two hundred eighty-six million, one hundred five thousand, six hundred fifty-three".