26161339 has 4 divisors (see below), whose sum is σ = 26197480. Its totient is φ = 26125200.

The previous prime is 26161307. The next prime is 26161349. The reversal of 26161339 is 93316162.

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

It is a cyclic number.

It is not a de Polignac number, because 26161339 - 2⁵ = 26161307 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 26161339.

It is not an unprimeable number, because it can be changed into a prime (26161349) 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, 16962 + ... + 18439.

It is an arithmetic number, because the mean of its divisors is an integer number (6549370).

Almost surely, 2^26161339 is an apocalyptic number.

26161339 is a deficient number, since it is larger than the sum of its proper divisors (36141).

26161339 is an equidigital number, since it uses as much as digits as its factorization.

26161339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36140.

The product of its digits is 5832, while the sum is 31.

The square root of 26161339 is about 5114.8156369512. The cubic root of 26161339 is about 296.8611208137.

The spelling of 26161339 in words is "twenty-six million, one hundred sixty-one thousand, three hundred thirty-nine".