2164726274611 has 16 divisors (see below), whose sum is σ = 2314559253600. Its totient is φ = 2017416595968.

The previous prime is 2164726274567. The next prime is 2164726274639. The reversal of 2164726274611 is 1164726274612.

It is a cyclic number.

It is not a de Polignac number, because 2164726274611 - 2⁷ = 2164726274483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164726274411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2555961 + ... + 3295813.

It is an arithmetic number, because the mean of its divisors is an integer number (144659953350).

Almost surely, 2^{2164726274611} is an apocalyptic number.

2164726274611 is a deficient number, since it is larger than the sum of its proper divisors (149832978989).

2164726274611 is a wasteful number, since it uses less digits than its factorization.

2164726274611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741558.

The product of its digits is 1354752, while the sum is 49.

Subtracting from 2164726274611 its reverse (1164726274612), we obtain a palindrome (999999999999).

The spelling of 2164726274611 in words is "two trillion, one hundred sixty-four billion, seven hundred twenty-six million, two hundred seventy-four thousand, six hundred eleven".