2164433605012 has 36 divisors (see below), whose sum is σ = 4455675956340. Its totient is φ = 917191761024.

The previous prime is 2164433604941. The next prime is 2164433605031. The reversal of 2164433605012 is 2105063344612.

It can be written as a sum of positive squares in 2 ways, for example, as 432061694596 + 1732371910416 = 657314^2 + 1316196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62022043 + ... + 62056930.

It is an arithmetic number, because the mean of its divisors is an integer number (123768776565).

Almost surely, 2^{2164433605012} is an apocalyptic number.

It is an amenable number.

2164433605012 is an abundant number, since it is smaller than the sum of its proper divisors (2291242351328).

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

2164433605012 is a wasteful number, since it uses less digits than its factorization.

2164433605012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124079080 (or 124079071 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 2164433605012 its reverse (2105063344612), we get a palindrome (4269496949624).

The spelling of 2164433605012 in words is "two trillion, one hundred sixty-four billion, four hundred thirty-three million, six hundred five thousand, twelve".