18506226053 has 8 divisors (see below), whose sum is σ = 21157710720. Its totient is φ = 15856675920.

The previous prime is 18506226019. The next prime is 18506226059. The reversal of 18506226053 is 35062260581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18506226053 - 2³⁰ = 17432484229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18506225998 and 18506226016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18506226059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463073 + ... + 501446.

It is an arithmetic number, because the mean of its divisors is an integer number (2644713840).

Almost surely, 2^18506226053 is an apocalyptic number.

It is an amenable number.

18506226053 is a deficient number, since it is larger than the sum of its proper divisors (2651484667).

18506226053 is an equidigital number, since it uses as much as digits as its factorization.

18506226053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967267.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 18506226053 in words is "eighteen billion, five hundred six million, two hundred twenty-six thousand, fifty-three".