26668051 has 2 divisors, whose sum is σ = 26668052. Its totient is φ = 26668050.

The previous prime is 26668021. The next prime is 26668067. The reversal of 26668051 is 15086662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26668051 - 2⁷ = 26667923 is a prime.

It is a super-2 number, since 2×26668051² = 1422369888277202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26667998 and 26668016.

It is not a weakly prime, because it can be changed into another prime (26668021) 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, 13334025 + 13334026.

It is an arithmetic number, because the mean of its divisors is an integer number (13334026).

Almost surely, 2^26668051 is an apocalyptic number.

26668051 is a deficient number, since it is larger than the sum of its proper divisors (1).

26668051 is an equidigital number, since it uses as much as digits as its factorization.

26668051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 26668051 is about 5164.1118307024. Note that the first 3 decimals coincide. The cubic root of 26668051 is about 298.7654861460.

The spelling of 26668051 in words is "twenty-six million, six hundred sixty-eight thousand, fifty-one".