66740014127 has 2 divisors, whose sum is σ = 66740014128. Its totient is φ = 66740014126.

The previous prime is 66740014087. The next prime is 66740014153. The reversal of 66740014127 is 72141004766.

It is a happy number.

66740014127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66740014127 - 2¹⁰ = 66740013103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66740014427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33370007063 + 33370007064.

It is an arithmetic number, because the mean of its divisors is an integer number (33370007064).

Almost surely, 2^66740014127 is an apocalyptic number.

66740014127 is a deficient number, since it is larger than the sum of its proper divisors (1).

66740014127 is an equidigital number, since it uses as much as digits as its factorization.

66740014127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 66740014127 in words is "sixty-six billion, seven hundred forty million, fourteen thousand, one hundred twenty-seven".