26161361 has 4 divisors (see below), whose sum is σ = 26223924. Its totient is φ = 26098800.

The previous prime is 26161357. The next prime is 26161363. The reversal of 26161361 is 16316162.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9186961 + 16974400 = 3031^2 + 4120^2 .

It is a cyclic number.

It is not a de Polignac number, because 26161361 - 2² = 26161357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26161361.

It is not an unprimeable number, because it can be changed into a prime (26161363) 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, 30650 + ... + 31491.

It is an arithmetic number, because the mean of its divisors is an integer number (6555981).

Almost surely, 2^26161361 is an apocalyptic number.

It is an amenable number.

26161361 is a deficient number, since it is larger than the sum of its proper divisors (62563).

26161361 is an equidigital number, since it uses as much as digits as its factorization.

26161361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62562.

The product of its digits is 1296, while the sum is 26.

The square root of 26161361 is about 5114.8177875658. The cubic root of 26161361 is about 296.8612040274.

The spelling of 26161361 in words is "twenty-six million, one hundred sixty-one thousand, three hundred sixty-one".