2164643305133 has 16 divisors (see below), whose sum is σ = 2296274184000. Its totient is φ = 2034811578240.

The previous prime is 2164643305109. The next prime is 2164643305169. The reversal of 2164643305133 is 3315033464612.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2164643305133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164643305933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2296778 + ... + 3099108.

It is an arithmetic number, because the mean of its divisors is an integer number (143517136500).

Almost surely, 2^{2164643305133} is an apocalyptic number.

It is an amenable number.

2164643305133 is a deficient number, since it is larger than the sum of its proper divisors (131630878867).

2164643305133 is a wasteful number, since it uses less digits than its factorization.

2164643305133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803452.

The product of its (nonzero) digits is 466560, while the sum is 41.

Adding to 2164643305133 its reverse (3315033464612), we get a palindrome (5479676769745).

The spelling of 2164643305133 in words is "two trillion, one hundred sixty-four billion, six hundred forty-three million, three hundred five thousand, one hundred thirty-three".