2164042144 has 24 divisors (see below), whose sum is σ = 4647773088. Its totient is φ = 983655360.

The previous prime is 2164042129. The next prime is 2164042171. The reversal of 2164042144 is 4412404612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3073572 + ... + 3074275.

It is an arithmetic number, because the mean of its divisors is an integer number (193657212).

Almost surely, 2^2164042144 is an apocalyptic number.

It is an amenable number.

2164042144 is an abundant number, since it is smaller than the sum of its proper divisors (2483730944).

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

2164042144 is a wasteful number, since it uses less digits than its factorization.

2164042144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147868 (or 6147860 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 2164042144 is about 46519.2663742669. The cubic root of 2164042144 is about 1293.4666574098.

Adding to 2164042144 its reverse (4412404612), we get a palindrome (6576446756).

The spelling of 2164042144 in words is "two billion, one hundred sixty-four million, forty-two thousand, one hundred forty-four".