2660405223 has 16 divisors (see below), whose sum is σ = 4056973056. Its totient is φ = 1519098240.

The previous prime is 2660405203. The next prime is 2660405233. The reversal of 2660405223 is 3225040662.

It is not a de Polignac number, because 2660405223 - 2¹⁶ = 2660339687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660405203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17961 + ... + 75122.

It is an arithmetic number, because the mean of its divisors is an integer number (253560816).

Almost surely, 2^2660405223 is an apocalyptic number.

2660405223 is a deficient number, since it is larger than the sum of its proper divisors (1396567833).

2660405223 is a wasteful number, since it uses less digits than its factorization.

2660405223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94454.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2660405223 is about 51579.1161517915. The cubic root of 2660405223 is about 1385.6363374608.

Adding to 2660405223 its reverse (3225040662), we get a palindrome (5885445885).

The spelling of 2660405223 in words is "two billion, six hundred sixty million, four hundred five thousand, two hundred twenty-three".