2660606311 has 4 divisors (see below), whose sum is σ = 2902479624. Its totient is φ = 2418733000.

The previous prime is 2660606297. The next prime is 2660606321. The reversal of 2660606311 is 1136060662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2660606311 - 2⁷ = 2660606183 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660606321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120936640 + ... + 120936661.

It is an arithmetic number, because the mean of its divisors is an integer number (725619906).

Almost surely, 2^2660606311 is an apocalyptic number.

2660606311 is a deficient number, since it is larger than the sum of its proper divisors (241873313).

2660606311 is a wasteful number, since it uses less digits than its factorization.

2660606311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241873312.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2660606311 is about 51581.0654310281. The cubic root of 2660606311 is about 1385.6712479095.

Adding to 2660606311 its reverse (1136060662), we get a palindrome (3796666973).

The spelling of 2660606311 in words is "two billion, six hundred sixty million, six hundred six thousand, three hundred eleven".