2164052205056 has 80 divisors (see below), whose sum is σ = 4990501882080. Its totient is φ = 918268108800.

The previous prime is 2164052205053. The next prime is 2164052205071. The reversal of 2164052205056 is 6505022504612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164052205053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2627171 + ... + 3351138.

It is an arithmetic number, because the mean of its divisors is an integer number (62381273526).

Almost surely, 2^{2164052205056} is an apocalyptic number.

It is an amenable number.

2164052205056 is an abundant number, since it is smaller than the sum of its proper divisors (2826449677024).

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

2164052205056 is an equidigital number, since it uses as much as digits as its factorization.

2164052205056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978435 (or 5978419 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 2164052205056 its reverse (6505022504612), we get a palindrome (8669074709668).

The spelling of 2164052205056 in words is "two trillion, one hundred sixty-four billion, fifty-two million, two hundred five thousand, fifty-six".