27091047168 has 432 divisors, whose sum is σ = 86005273536. Its totient is φ = 8174960640.

The previous prime is 27091047167. The next prime is 27091047223. The reversal of 27091047168 is 86174019072.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27091047161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80388696 + ... + 80389032.

Almost surely, 2^27091047168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27091047168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43002636768).

27091047168 is an abundant number, since it is smaller than the sum of its proper divisors (58914226368).

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

27091047168 is a wasteful number, since it uses less digits than its factorization.

27091047168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 27091047168 in words is "twenty-seven billion, ninety-one million, forty-seven thousand, one hundred sixty-eight".