2271143160 has 384 divisors, whose sum is σ = 8757927360. Its totient is φ = 503193600.

The previous prime is 2271143141. The next prime is 2271143177. The reversal of 2271143160 is 613411722.

2271143160 is a `hidden beast` number, since 227 + 1 + 1 + 431 + 6 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8082220 + ... + 8082500.

Almost surely, 2^2271143160 is an apocalyptic number.

2271143160 is a gapful number since it is divisible by the number (20) 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 2271143160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4378963680).

2271143160 is an abundant number, since it is smaller than the sum of its proper divisors (6486784200).

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

2271143160 is a wasteful number, since it uses less digits than its factorization.

2271143160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2271143160 is about 47656.5122517374. The cubic root of 2271143160 is about 1314.4624075386.

Adding to 2271143160 its reverse (613411722), we get a palindrome (2884554882).

The spelling of 2271143160 in words is "two billion, two hundred seventy-one million, one hundred forty-three thousand, one hundred sixty".