26220165 has 16 divisors (see below), whose sum is σ = 42086976. Its totient is φ = 13939200.

The previous prime is 26220163. The next prime is 26220191. The reversal of 26220165 is 56102262.

It is not a de Polignac number, because 26220165 - 2¹ = 26220163 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26220163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2325 + ... + 7605.

It is an arithmetic number, because the mean of its divisors is an integer number (2630436).

Almost surely, 2^26220165 is an apocalyptic number.

It is an amenable number.

26220165 is a deficient number, since it is larger than the sum of its proper divisors (15866811).

26220165 is a wasteful number, since it uses less digits than its factorization.

26220165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 26220165 is about 5120.5629573319. The cubic root of 26220165 is about 297.0834600894.

The spelling of 26220165 in words is "twenty-six million, two hundred twenty thousand, one hundred sixty-five".