562016102221661 has 2 divisors, whose sum is σ = 562016102221662. Its totient is φ = 562016102221660.

The previous prime is 562016102221597. The next prime is 562016102221663. The reversal of 562016102221661 is 166122201610265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550690420638436 + 11325681583225 = 23466794^2 + 3365365^2 .

It is a cyclic number.

It is not a de Polignac number, because 562016102221661 - 2⁶ = 562016102221597 is a prime.

Together with 562016102221663, 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 (562016102221663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281008051110830 + 281008051110831.

It is an arithmetic number, because the mean of its divisors is an integer number (281008051110831).

Almost surely, 2^{562016102221661} is an apocalyptic number.

It is an amenable number.

562016102221661 is a deficient number, since it is larger than the sum of its proper divisors (1).

562016102221661 is an equidigital number, since it uses as much as digits as its factorization.

562016102221661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 562016102221661 in words is "five hundred sixty-two trillion, sixteen billion, one hundred two million, two hundred twenty-one thousand, six hundred sixty-one".