22061616456263 has 2 divisors, whose sum is σ = 22061616456264. Its totient is φ = 22061616456262.

The previous prime is 22061616456239. The next prime is 22061616456329. The reversal of 22061616456263 is 36265461616022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22061616456263 - 2¹² = 22061616452167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22061616456203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11030808228131 + 11030808228132.

It is an arithmetic number, because the mean of its divisors is an integer number (11030808228132).

Almost surely, 2^{22061616456263} is an apocalyptic number.

22061616456263 is a deficient number, since it is larger than the sum of its proper divisors (1).

22061616456263 is an equidigital number, since it uses as much as digits as its factorization.

22061616456263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 22061616456263 in words is "twenty-two trillion, sixty-one billion, six hundred sixteen million, four hundred fifty-six thousand, two hundred sixty-three".