26566151 has 2 divisors, whose sum is σ = 26566152. Its totient is φ = 26566150.

The previous prime is 26566147. The next prime is 26566181. The reversal of 26566151 is 15166562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26566151 - 2² = 26566147 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26566181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13283075 + 13283076.

It is an arithmetic number, because the mean of its divisors is an integer number (13283076).

Almost surely, 2^26566151 is an apocalyptic number.

26566151 is a deficient number, since it is larger than the sum of its proper divisors (1).

26566151 is an equidigital number, since it uses as much as digits as its factorization.

26566151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 26566151 is about 5154.2362188786. The cubic root of 26566151 is about 298.3844676524.

The spelling of 26566151 in words is "twenty-six million, five hundred sixty-six thousand, one hundred fifty-one".