8162162271 has 12 divisors (see below), whose sum is σ = 11791975000. Its totient is φ = 5440433040.

The previous prime is 8162162263. The next prime is 8162162287. The reversal of 8162162271 is 1722612618.

8162162271 is a `hidden beast` number, since 8 + 1 + 6 + 21 + 622 + 7 + 1 = 666.

It is not a de Polignac number, because 8162162271 - 2³ = 8162162263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8162162221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31021 + ... + 131478.

Almost surely, 2^8162162271 is an apocalyptic number.

8162162271 is a deficient number, since it is larger than the sum of its proper divisors (3629812729).

8162162271 is a wasteful number, since it uses less digits than its factorization.

8162162271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168086 (or 168083 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 8162162271 is about 90344.6859034885. The cubic root of 8162162271 is about 2013.4232294852.

Adding to 8162162271 its reverse (1722612618), we get a palindrome (9884774889).

The spelling of 8162162271 in words is "eight billion, one hundred sixty-two million, one hundred sixty-two thousand, two hundred seventy-one".