22061616456329 has 2 divisors, whose sum is σ = 22061616456330. Its totient is φ = 22061616456328.

The previous prime is 22061616456263. The next prime is 22061616456331. The reversal of 22061616456329 is 92365461616022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20789514440704 + 1272102015625 = 4559552^2 + 1127875^2 .

It is a cyclic number.

It is not a de Polignac number, because 22061616456329 - 2²⁴ = 22061599679113 is a prime.

Together with 22061616456331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22061616456359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11030808228164 + 11030808228165.

It is an arithmetic number, because the mean of its divisors is an integer number (11030808228165).

Almost surely, 2^{22061616456329} is an apocalyptic number.

It is an amenable number.

22061616456329 is a deficient number, since it is larger than the sum of its proper divisors (1).

22061616456329 is an equidigital number, since it uses as much as digits as its factorization.

22061616456329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 22061616456329 in words is "twenty-two trillion, sixty-one billion, six hundred sixteen million, four hundred fifty-six thousand, three hundred twenty-nine".