26001166 has 4 divisors (see below), whose sum is σ = 39001752. Its totient is φ = 13000582.

The previous prime is 26001133. The next prime is 26001221. The reversal of 26001166 is 66110062.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500290 + ... + 6500293.

It is an arithmetic number, because the mean of its divisors is an integer number (9750438).

Almost surely, 2^26001166 is an apocalyptic number.

26001166 is a deficient number, since it is larger than the sum of its proper divisors (13000586).

26001166 is a wasteful number, since it uses less digits than its factorization.

26001166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13000585.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 26001166 is about 5099.1338480177. The cubic root of 26001166 is about 296.2540353264.

The spelling of 26001166 in words is "twenty-six million, one thousand, one hundred sixty-six".