66046204441901 has 2 divisors, whose sum is σ = 66046204441902. Its totient is φ = 66046204441900.

The previous prime is 66046204441897. The next prime is 66046204442033. The reversal of 66046204441901 is 10914440264066.

66046204441901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34284526379401 + 31761678062500 = 5855299^2 + 5635750^2 .

It is a cyclic number.

It is not a de Polignac number, because 66046204441901 - 2² = 66046204441897 is a prime.

It is a super-2 number, since 2×66046204441901² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66046204491901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33023102220950 + 33023102220951.

It is an arithmetic number, because the mean of its divisors is an integer number (33023102220951).

Almost surely, 2^{66046204441901} is an apocalyptic number.

It is an amenable number.

66046204441901 is a deficient number, since it is larger than the sum of its proper divisors (1).

66046204441901 is an equidigital number, since it uses as much as digits as its factorization.

66046204441901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 66046204441901 in words is "sixty-six trillion, forty-six billion, two hundred four million, four hundred forty-one thousand, nine hundred one".