26066109 has 4 divisors (see below), whose sum is σ = 34754816. Its totient is φ = 17377404.

The previous prime is 26066101. The next prime is 26066113. The reversal of 26066109 is 90166062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 26066109 - 2³ = 26066101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26066101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4344349 + ... + 4344354.

It is an arithmetic number, because the mean of its divisors is an integer number (8688704).

Almost surely, 2^26066109 is an apocalyptic number.

It is an amenable number.

26066109 is a deficient number, since it is larger than the sum of its proper divisors (8688707).

26066109 is an equidigital number, since it uses as much as digits as its factorization.

26066109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8688706.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 26066109 is about 5105.4979189106. The cubic root of 26066109 is about 296.5004810660.

The spelling of 26066109 in words is "twenty-six million, sixty-six thousand, one hundred nine".