26166668393363 has 2 divisors, whose sum is σ = 26166668393364. Its totient is φ = 26166668393362.

The previous prime is 26166668393323. The next prime is 26166668393413. The reversal of 26166668393363 is 36339386666162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26166668393363 - 2³² = 26162373426067 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 26166668393293 and 26166668393302.

It is not a weakly prime, because it can be changed into another prime (26166668393323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13083334196681 + 13083334196682.

It is an arithmetic number, because the mean of its divisors is an integer number (13083334196682).

Almost surely, 2^{26166668393363} is an apocalyptic number.

26166668393363 is a deficient number, since it is larger than the sum of its proper divisors (1).

26166668393363 is an equidigital number, since it uses as much as digits as its factorization.

26166668393363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544195584, while the sum is 68.

The spelling of 26166668393363 in words is "twenty-six trillion, one hundred sixty-six billion, six hundred sixty-eight million, three hundred ninety-three thousand, three hundred sixty-three".