664114127 has 2 divisors, whose sum is σ = 664114128. Its totient is φ = 664114126.

The previous prime is 664114109. The next prime is 664114247. The reversal of 664114127 is 721411466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 664114127 - 2¹⁰ = 664113103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 664114093 and 664114102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (664111127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332057063 + 332057064.

It is an arithmetic number, because the mean of its divisors is an integer number (332057064).

Almost surely, 2^664114127 is an apocalyptic number.

664114127 is a deficient number, since it is larger than the sum of its proper divisors (1).

664114127 is an equidigital number, since it uses as much as digits as its factorization.

664114127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 664114127 is about 25770.4118515789. The cubic root of 664114127 is about 872.4641143633.

The spelling of 664114127 in words is "six hundred sixty-four million, one hundred fourteen thousand, one hundred twenty-seven".