660112220103641 has 2 divisors, whose sum is σ = 660112220103642. Its totient is φ = 660112220103640.

The previous prime is 660112220103577. The next prime is 660112220103673. The reversal of 660112220103641 is 146301022211066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 656778802268416 + 3333417835225 = 25627696^2 + 1825765^2 .

It is a cyclic number.

It is not a de Polignac number, because 660112220103641 - 2⁶ = 660112220103577 is a prime.

It is not a weakly prime, because it can be changed into another prime (660112220103241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330056110051820 + 330056110051821.

It is an arithmetic number, because the mean of its divisors is an integer number (330056110051821).

Almost surely, 2^{660112220103641} is an apocalyptic number.

It is an amenable number.

660112220103641 is a deficient number, since it is larger than the sum of its proper divisors (1).

660112220103641 is an equidigital number, since it uses as much as digits as its factorization.

660112220103641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 660112220103641 in words is "six hundred sixty trillion, one hundred twelve billion, two hundred twenty million, one hundred three thousand, six hundred forty-one".