26201161 has 4 divisors (see below), whose sum is σ = 29944192. Its totient is φ = 22458132.

The previous prime is 26201159. The next prime is 26201167. The reversal of 26201161 is 16110262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26201161 - 2¹ = 26201159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26201167) 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 in 3 ways as a sum of consecutive naturals, for example, 1871505 + ... + 1871518.

It is an arithmetic number, because the mean of its divisors is an integer number (7486048).

Almost surely, 2^26201161 is an apocalyptic number.

It is an amenable number.

26201161 is a deficient number, since it is larger than the sum of its proper divisors (3743031).

26201161 is an equidigital number, since it uses as much as digits as its factorization.

26201161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743030.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 26201161 is about 5118.7069656311. The cubic root of 26201161 is about 297.0116687968.

It can be divided in two parts, 26201 and 161, that added together give a palindrome (26362).

The spelling of 26201161 in words is "twenty-six million, two hundred one thousand, one hundred sixty-one".