8226685966361 has 2 divisors, whose sum is σ = 8226685966362. Its totient is φ = 8226685966360.

The previous prime is 8226685966337. The next prime is 8226685966391. The reversal of 8226685966361 is 1636695866228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8056173955600 + 170512010761 = 2838340^2 + 412931^2 .

It is a cyclic number.

It is not a de Polignac number, because 8226685966361 - 2⁴² = 3828639455257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8226685966291 and 8226685966300.

It is not a weakly prime, because it can be changed into another prime (8226685966391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4113342983180 + 4113342983181.

It is an arithmetic number, because the mean of its divisors is an integer number (4113342983181).

Almost surely, 2^{8226685966361} is an apocalyptic number.

It is an amenable number.

8226685966361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8226685966361 is an equidigital number, since it uses as much as digits as its factorization.

8226685966361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268738560, while the sum is 68.

The spelling of 8226685966361 in words is "eight trillion, two hundred twenty-six billion, six hundred eighty-five million, nine hundred sixty-six thousand, three hundred sixty-one".