26226166 has 4 divisors (see below), whose sum is σ = 39339252. Its totient is φ = 13113082.

The previous prime is 26226143. The next prime is 26226197. The reversal of 26226166 is 66162262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66162262 = 2 ⋅33081131.

It is a congruent number.

It is an unprimeable number.

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, 6556540 + ... + 6556543.

It is an arithmetic number, because the mean of its divisors is an integer number (9834813).

Almost surely, 2^26226166 is an apocalyptic number.

26226166 is a deficient number, since it is larger than the sum of its proper divisors (13113086).

26226166 is a wasteful number, since it uses less digits than its factorization.

26226166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13113085.

The product of its digits is 10368, while the sum is 31.

The square root of 26226166 is about 5121.1488945353. The cubic root of 26226166 is about 297.1061228231.

The spelling of 26226166 in words is "twenty-six million, two hundred twenty-six thousand, one hundred sixty-six".