26660099 has 2 divisors, whose sum is σ = 26660100. Its totient is φ = 26660098.

The previous prime is 26660089. The next prime is 26660119. The reversal of 26660099 is 99006662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26660099 - 2²⁴ = 9882883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26660069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13330049 + 13330050.

It is an arithmetic number, because the mean of its divisors is an integer number (13330050).

Almost surely, 2^26660099 is an apocalyptic number.

26660099 is a deficient number, since it is larger than the sum of its proper divisors (1).

26660099 is an equidigital number, since it uses as much as digits as its factorization.

26660099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 26660099 is about 5163.3418441935. The cubic root of 26660099 is about 298.7357874462.

The spelling of 26660099 in words is "twenty-six million, six hundred sixty thousand, ninety-nine".