26000161 has 4 divisors (see below), whose sum is σ = 28363824. Its totient is φ = 23636500.

The previous prime is 26000147. The next prime is 26000167. The reversal of 26000161 is 16100062.

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 26000161 - 2⁷ = 26000033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26000167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181815 + ... + 1181836.

It is an arithmetic number, because the mean of its divisors is an integer number (7090956).

Almost surely, 2^26000161 is an apocalyptic number.

It is an amenable number.

26000161 is a deficient number, since it is larger than the sum of its proper divisors (2363663).

26000161 is a wasteful number, since it uses less digits than its factorization.

26000161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363662.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 26000161 is about 5099.0353009172. The cubic root of 26000161 is about 296.2502183290.

Subtracting from 26000161 its reverse (16100062), we obtain a palindrome (9900099).

It can be divided in two parts, 260001 and 61, that added together give a palindrome (260062).

The spelling of 26000161 in words is "twenty-six million, one hundred sixty-one", and thus it is an aban number.