26266066 has 4 divisors (see below), whose sum is σ = 39399102. Its totient is φ = 13133032.

The previous prime is 26266063. The next prime is 26266081. The reversal of 26266066 is 66066262.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26265625 + 441 = 5125^2 + 21^2 .

It is not an unprimeable number, because it can be changed into a prime (26266061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6566515 + ... + 6566518.

Almost surely, 2^26266066 is an apocalyptic number.

26266066 is a deficient number, since it is larger than the sum of its proper divisors (13133036).

26266066 is a wasteful number, since it uses less digits than its factorization.

26266066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13133035.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 26266066 is about 5125.0430242097. The cubic root of 26266066 is about 297.2567170505.

The spelling of 26266066 in words is "twenty-six million, two hundred sixty-six thousand, sixty-six".