2164364271 has 24 divisors (see below), whose sum is σ = 3298014720. Its totient is φ = 1363989456.

The previous prime is 2164364269. The next prime is 2164364281. The reversal of 2164364271 is 1724634612.

2164364271 is a `hidden beast` number, since 2 + 1 + 6 + 4 + 3 + 642 + 7 + 1 = 666.

It is not a de Polignac number, because 2164364271 - 2¹ = 2164364269 is a prime.

It is a super-2 number, since 2×2164364271² = 9368945395162722882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164364281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66306 + ... + 93408.

It is an arithmetic number, because the mean of its divisors is an integer number (137417280).

Almost surely, 2^2164364271 is an apocalyptic number.

2164364271 is a deficient number, since it is larger than the sum of its proper divisors (1133650449).

2164364271 is a wasteful number, since it uses less digits than its factorization.

2164364271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27595 (or 27592 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2164364271 is about 46522.7285420793. The cubic root of 2164364271 is about 1293.5308335879.

Adding to 2164364271 its reverse (1724634612), we get a palindrome (3888998883).

The spelling of 2164364271 in words is "two billion, one hundred sixty-four million, three hundred sixty-four thousand, two hundred seventy-one".