66474616501141 has 2 divisors, whose sum is σ = 66474616501142. Its totient is φ = 66474616501140.

The previous prime is 66474616501121. The next prime is 66474616501151. The reversal of 66474616501141 is 14110561647466.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65902800746916 + 571815754225 = 8118054^2 + 756185^2 .

It is a cyclic number.

It is not a de Polignac number, because 66474616501141 - 2⁵ = 66474616501109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66474616501121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33237308250570 + 33237308250571.

It is an arithmetic number, because the mean of its divisors is an integer number (33237308250571).

Almost surely, 2^{66474616501141} is an apocalyptic number.

It is an amenable number.

66474616501141 is a deficient number, since it is larger than the sum of its proper divisors (1).

66474616501141 is an equidigital number, since it uses as much as digits as its factorization.

66474616501141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 66474616501141 in words is "sixty-six trillion, four hundred seventy-four billion, six hundred sixteen million, five hundred one thousand, one hundred forty-one".