26266161 has 16 divisors (see below), whose sum is σ = 36915840. Its totient is φ = 16579200.

The previous prime is 26266159. The next prime is 26266169. The reversal of 26266161 is 16166262.

It is not a de Polignac number, because 26266161 - 2¹ = 26266159 is a prime.

It is a super-2 number, since 2×26266161² = 1379822427355842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26266169) 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, 5085 + ... + 8853.

It is an arithmetic number, because the mean of its divisors is an integer number (2307240).

Almost surely, 2^26266161 is an apocalyptic number.

It is an amenable number.

26266161 is a deficient number, since it is larger than the sum of its proper divisors (10649679).

26266161 is a wasteful number, since it uses less digits than its factorization.

26266161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896.

The product of its digits is 5184, while the sum is 30.

The square root of 26266161 is about 5125.0522924161. The cubic root of 26266161 is about 297.2570754262.

The spelling of 26266161 in words is "twenty-six million, two hundred sixty-six thousand, one hundred sixty-one".