2747271168 has 120 divisors (see below), whose sum is σ = 8206388190. Its totient is φ = 915701760.

The previous prime is 2747271157. The next prime is 2747271169. The reversal of 2747271168 is 8611727472.

It can be written as a sum of positive squares in only one way, i.e., 2717328384 + 29942784 = 52128^2 + 5472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747271169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 157608 + ... + 174168.

Almost surely, 2^2747271168 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 2747271168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4103194095).

2747271168 is an abundant number, since it is smaller than the sum of its proper divisors (5459117022).

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

2747271168 is an equidigital number, since it uses as much as digits as its factorization.

2747271168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16595 (or 16566 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The square root of 2747271168 is about 52414.4175585306. The cubic root of 2747271168 is about 1400.5561001682.

The spelling of 2747271168 in words is "two billion, seven hundred forty-seven million, two hundred seventy-one thousand, one hundred sixty-eight".