2165344414004 has 12 divisors (see below), whose sum is σ = 3826871069028. Its totient is φ = 1071952680000.

The previous prime is 2165344413971. The next prime is 2165344414007. The reversal of 2165344414004 is 4004144435612.

It can be written as a sum of positive squares in 2 ways, for example, as 1506240744100 + 659103669904 = 1227290^2 + 811852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165344414007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2679881297 + ... + 2679882104.

It is an arithmetic number, because the mean of its divisors is an integer number (318905922419).

Almost surely, 2^{2165344414004} is an apocalyptic number.

It is an amenable number.

2165344414004 is a deficient number, since it is larger than the sum of its proper divisors (1661526655024).

2165344414004 is a wasteful number, since it uses less digits than its factorization.

2165344414004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359763506 (or 5359763504 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 2165344414004 its reverse (4004144435612), we get a palindrome (6169488849616).

The spelling of 2165344414004 in words is "two trillion, one hundred sixty-five billion, three hundred forty-four million, four hundred fourteen thousand, four".