26361161 has 4 divisors (see below), whose sum is σ = 26495172. Its totient is φ = 26227152.

The previous prime is 26361157. The next prime is 26361163. The reversal of 26361161 is 16116362.

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 13801225 + 12559936 = 3715^2 + 3544^2 .

It is a cyclic number.

It is not a de Polignac number, because 26361161 - 2² = 26361157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 26361161.

It is not an unprimeable number, because it can be changed into a prime (26361163) 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, 66710 + ... + 67103.

It is an arithmetic number, because the mean of its divisors is an integer number (6623793).

Almost surely, 2^26361161 is an apocalyptic number.

It is an amenable number.

26361161 is a deficient number, since it is larger than the sum of its proper divisors (134011).

26361161 is a wasteful number, since it uses less digits than its factorization.

26361161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134010.

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

The square root of 26361161 is about 5134.3121252997. The cubic root of 26361161 is about 297.6150194334.

The spelling of 26361161 in words is "twenty-six million, three hundred sixty-one thousand, one hundred sixty-one".