26166056454751 has 2 divisors, whose sum is σ = 26166056454752. Its totient is φ = 26166056454750.

The previous prime is 26166056454743. The next prime is 26166056454757. The reversal of 26166056454751 is 15745465066162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26166056454751 - 2³ = 26166056454743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26166056454757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13083028227375 + 13083028227376.

It is an arithmetic number, because the mean of its divisors is an integer number (13083028227376).

Almost surely, 2^{26166056454751} is an apocalyptic number.

26166056454751 is a deficient number, since it is larger than the sum of its proper divisors (1).

26166056454751 is an equidigital number, since it uses as much as digits as its factorization.

26166056454751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 26166056454751 in words is "twenty-six trillion, one hundred sixty-six billion, fifty-six million, four hundred fifty-four thousand, seven hundred fifty-one".