2132164444 has 12 divisors (see below), whose sum is σ = 3740413600. Its totient is φ = 1063474848.

The previous prime is 2132164421. The next prime is 2132164457. The reversal of 2132164444 is 4444612312.

It is a super-2 number, since 2×2132164444² = 9092250432515658272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650004 + ... + 653275.

Almost surely, 2^2132164444 is an apocalyptic number.

It is an amenable number.

2132164444 is a deficient number, since it is larger than the sum of its proper divisors (1608249156).

2132164444 is a wasteful number, since it uses less digits than its factorization.

2132164444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303692 (or 1303690 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 2132164444 is about 46175.3662032041. The cubic root of 2132164444 is about 1287.0840218860.

Adding to 2132164444 its reverse (4444612312), we get a palindrome (6576776756).

The spelling of 2132164444 in words is "two billion, one hundred thirty-two million, one hundred sixty-four thousand, four hundred forty-four".