2660401327 has 2 divisors, whose sum is σ = 2660401328. Its totient is φ = 2660401326.

The previous prime is 2660401313. The next prime is 2660401363. The reversal of 2660401327 is 7231040662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2660401327 - 2⁷ = 2660401199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660401427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330200663 + 1330200664.

It is an arithmetic number, because the mean of its divisors is an integer number (1330200664).

Almost surely, 2^2660401327 is an apocalyptic number.

2660401327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660401327 is an equidigital number, since it uses as much as digits as its factorization.

2660401327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2660401327 is about 51579.0783845543. The cubic root of 2660401327 is about 1385.6356610674.

Adding to 2660401327 its reverse (7231040662), we get a palindrome (9891441989).

The spelling of 2660401327 in words is "two billion, six hundred sixty million, four hundred one thousand, three hundred twenty-seven".