663322141 has 2 divisors, whose sum is σ = 663322142. Its totient is φ = 663322140.

The previous prime is 663322061. The next prime is 663322147. The reversal of 663322141 is 141223366.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 663320025 + 2116 = 25755^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 663322141 - 2¹⁷ = 663191069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663322147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331661070 + 331661071.

It is an arithmetic number, because the mean of its divisors is an integer number (331661071).

Almost surely, 2^663322141 is an apocalyptic number.

It is an amenable number.

663322141 is a deficient number, since it is larger than the sum of its proper divisors (1).

663322141 is an equidigital number, since it uses as much as digits as its factorization.

663322141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 663322141 is about 25755.0410793693. The cubic root of 663322141 is about 872.1171588262.

The spelling of 663322141 in words is "six hundred sixty-three million, three hundred twenty-two thousand, one hundred forty-one".