18071468253 has 16 divisors (see below), whose sum is σ = 27936570240. Its totient is φ = 11523834432.

The previous prime is 18071468251. The next prime is 18071468263. The reversal of 18071468253 is 35286417081.

18071468253 is a `hidden beast` number, since 180 + 7 + 1 + 468 + 2 + 5 + 3 = 666.

It is not a de Polignac number, because 18071468253 - 2¹ = 18071468251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18071468199 and 18071468208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18071468251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14549676 + ... + 14550917.

It is an arithmetic number, because the mean of its divisors is an integer number (1746035640).

Almost surely, 2^18071468253 is an apocalyptic number.

It is an amenable number.

18071468253 is a deficient number, since it is larger than the sum of its proper divisors (9865101987).

18071468253 is a wasteful number, since it uses less digits than its factorization.

18071468253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29100625 (or 29100619 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 18071468253 in words is "eighteen billion, seventy-one million, four hundred sixty-eight thousand, two hundred fifty-three".