1322603080661 has 2 divisors, whose sum is σ = 1322603080662. Its totient is φ = 1322603080660.

The previous prime is 1322603080657. The next prime is 1322603080663. The reversal of 1322603080661 is 1660803062231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1161019180036 + 161583900625 = 1077506^2 + 401975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322603080661 - 2² = 1322603080657 is a prime.

Together with 1322603080663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322603080663) 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, 661301540330 + 661301540331.

It is an arithmetic number, because the mean of its divisors is an integer number (661301540331).

Almost surely, 2^{1322603080661} is an apocalyptic number.

It is an amenable number.

1322603080661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322603080661 is an equidigital number, since it uses as much as digits as its factorization.

1322603080661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 1322603080661 in words is "one trillion, three hundred twenty-two billion, six hundred three million, eighty thousand, six hundred sixty-one".