66124476402841 has 2 divisors, whose sum is σ = 66124476402842. Its totient is φ = 66124476402840.

The previous prime is 66124476402767. The next prime is 66124476402889. The reversal of 66124476402841 is 14820467442166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62771076752400 + 3353399650441 = 7922820^2 + 1831229^2 .

It is a cyclic number.

It is not a de Polignac number, because 66124476402841 - 2³⁹ = 65574720588953 is a prime.

It is not a weakly prime, because it can be changed into another prime (66124476409841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33062238201420 + 33062238201421.

It is an arithmetic number, because the mean of its divisors is an integer number (33062238201421).

Almost surely, 2^{66124476402841} is an apocalyptic number.

It is an amenable number.

66124476402841 is a deficient number, since it is larger than the sum of its proper divisors (1).

66124476402841 is an equidigital number, since it uses as much as digits as its factorization.

66124476402841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12386304, while the sum is 55.

The spelling of 66124476402841 in words is "sixty-six trillion, one hundred twenty-four billion, four hundred seventy-six million, four hundred two thousand, eight hundred forty-one".