22116651610577 has 2 divisors, whose sum is σ = 22116651610578. Its totient is φ = 22116651610576.

The previous prime is 22116651610457. The next prime is 22116651610589. The reversal of 22116651610577 is 77501615661122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20450799329536 + 1665852281041 = 4522256^2 + 1290679^2 .

It is a cyclic number.

It is not a de Polignac number, because 22116651610577 - 2¹² = 22116651606481 is a prime.

It is not a weakly prime, because it can be changed into another prime (22116651612577) 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, 11058325805288 + 11058325805289.

It is an arithmetic number, because the mean of its divisors is an integer number (11058325805289).

Almost surely, 2^{22116651610577} is an apocalyptic number.

It is an amenable number.

22116651610577 is a deficient number, since it is larger than the sum of its proper divisors (1).

22116651610577 is an equidigital number, since it uses as much as digits as its factorization.

22116651610577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 22116651610577 in words is "twenty-two trillion, one hundred sixteen billion, six hundred fifty-one million, six hundred ten thousand, five hundred seventy-seven".