66414097 has 2 divisors, whose sum is σ = 66414098. Its totient is φ = 66414096.

The previous prime is 66414079. The next prime is 66414113. The reversal of 66414097 is 79041466.

Together with previous prime (66414079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61324561 + 5089536 = 7831^2 + 2256^2 .

It is a cyclic number.

It is not a de Polignac number, because 66414097 - 2⁷ = 66413969 is a prime.

It is not a weakly prime, because it can be changed into another prime (66414077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33207048 + 33207049.

It is an arithmetic number, because the mean of its divisors is an integer number (33207049).

Almost surely, 2^66414097 is an apocalyptic number.

It is an amenable number.

66414097 is a deficient number, since it is larger than the sum of its proper divisors (1).

66414097 is an equidigital number, since it uses as much as digits as its factorization.

66414097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 66414097 is about 8149.4844622221. The cubic root of 66414097 is about 404.9674251095.

The spelling of 66414097 in words is "sixty-six million, four hundred fourteen thousand, ninety-seven".