27180860168 has 108 divisors (see below), whose sum is σ = 65250463005. Its totient is φ = 10575956160.

The previous prime is 27180860149. The next prime is 27180860177. The reversal of 27180860168 is 86106808172.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 26798344804 + 382515364 = 163702^2 + 19558^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=116578.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 35905646 + ... + 35906402.

Almost surely, 2^27180860168 is an apocalyptic number.

27180860168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27180860168

27180860168 is an abundant number, since it is smaller than the sum of its proper divisors (38069602837).

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

27180860168 is an equidigital number, since it uses as much as digits as its factorization.

27180860168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 27180860168 in words is "twenty-seven billion, one hundred eighty million, eight hundred sixty thousand, one hundred sixty-eight".