18062660853 has 20 divisors (see below), whose sum is σ = 27017493228. Its totient is φ = 12026154240.

The previous prime is 18062660831. The next prime is 18062660867. The reversal of 18062660853 is 35806626081.

18062660853 is a `hidden beast` number, since 18 + 0 + 6 + 26 + 608 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3383399889 + 14679260964 = 58167^2 + 121158^2 .

It is not a de Polignac number, because 18062660853 - 2⁶ = 18062660789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18062660799 and 18062660808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18062660053) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 81628 + ... + 206853.

Almost surely, 2^18062660853 is an apocalyptic number.

It is an amenable number.

18062660853 is a deficient number, since it is larger than the sum of its proper divisors (8954832375).

18062660853 is an equidigital number, since it uses as much as digits as its factorization.

18062660853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289266 (or 289257 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 18062660853 in words is "eighteen billion, sixty-two million, six hundred sixty thousand, eight hundred fifty-three".