26656066 has 4 divisors (see below), whose sum is σ = 39984102. Its totient is φ = 13328032.

The previous prime is 26656043. The next prime is 26656067. The reversal of 26656066 is 66065662.

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., 16281225 + 10374841 = 4035^2 + 3221^2 .

It is not an unprimeable number, because it can be changed into a prime (26656067) 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, 6664015 + ... + 6664018.

Almost surely, 2^26656066 is an apocalyptic number.

26656066 is a deficient number, since it is larger than the sum of its proper divisors (13328036).

26656066 is a wasteful number, since it uses less digits than its factorization.

26656066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13328035.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 26656066 is about 5162.9512877810. The cubic root of 26656066 is about 298.7207229586.

The spelling of 26656066 in words is "twenty-six million, six hundred fifty-six thousand, sixty-six".