2165104330144 has 36 divisors (see below), whose sum is σ = 4958475545394. Its totient is φ = 927901855104.

The previous prime is 2165104330127. The next prime is 2165104330153. The reversal of 2165104330144 is 4410334015612.

It can be written as a sum of positive squares in only one way, i.e., 1332667065744 + 832437264400 = 1154412^2 + 912380^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 690401599 + ... + 690404734.

Almost surely, 2^{2165104330144} is an apocalyptic number.

It is an amenable number.

2165104330144 is an abundant number, since it is smaller than the sum of its proper divisors (2793371215250).

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

2165104330144 is a wasteful number, since it uses less digits than its factorization.

2165104330144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380806357 (or 1380806342 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 2165104330144 its reverse (4410334015612), we get a palindrome (6575438345756).

The spelling of 2165104330144 in words is "two trillion, one hundred sixty-five billion, one hundred four million, three hundred thirty thousand, one hundred forty-four".