244301301661 has 2 divisors, whose sum is σ = 244301301662.
Its totient is φ = 244301301660.
The previous prime is 244301301659. The next prime is 244301301677. The reversal of 244301301661 is 166103103442.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 225786528900 + 18514772761 = 475170^2 + 136069^2
It is a cyclic number.
It is not a de Polignac number, because 244301301661 - 21 = 244301301659 is a prime.
Together with 244301301659, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (244301331661) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122150650830 + 122150650831.
It is an arithmetic number, because the mean of its divisors is an integer number (122150650831).
Almost surely, 2244301301661 is an apocalyptic number.
It is an amenable number.
244301301661 is a deficient number, since it is larger than the sum of its proper divisors (1).
244301301661 is an equidigital number, since it uses as much as digits as its factorization.
244301301661 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10368, while the sum is 31.
The spelling of 244301301661 in words is "two hundred forty-four billion, three hundred one million, three hundred one thousand, six hundred sixty-one".