18086209071768 has 24 divisors (see below), whose sum is σ = 48983482902900. Its totient is φ = 6028736357232.

The previous prime is 18086209071701. The next prime is 18086209071779. The reversal of 18086209071768 is 86717090268081.

18086209071768 is a `hidden beast` number, since 180 + 86 + 209 + 0 + 7 + 176 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×18086209071768² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125598674038 + ... + 125598674181.

Almost surely, 2^{18086209071768} is an apocalyptic number.

18086209071768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18086209071768 is an abundant number, since it is smaller than the sum of its proper divisors (30897273831132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18086209071768 is a wasteful number, since it uses less digits than its factorization.

18086209071768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251197348231 (or 251197348224 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 63.

The spelling of 18086209071768 in words is "eighteen trillion, eighty-six billion, two hundred nine million, seventy-one thousand, seven hundred sixty-eight".