26140360161 has 4 divisors (see below), whose sum is σ = 34853813552. Its totient is φ = 17426906772.

The previous prime is 26140360159. The next prime is 26140360163. The reversal of 26140360161 is 16106304162.

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 an interprime number because it is at equal distance from previous prime (26140360159) and next prime (26140360163).

It is not a de Polignac number, because 26140360161 - 2¹ = 26140360159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26140360163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4356726691 + ... + 4356726696.

It is an arithmetic number, because the mean of its divisors is an integer number (8713453388).

Almost surely, 2^26140360161 is an apocalyptic number.

It is an amenable number.

26140360161 is a deficient number, since it is larger than the sum of its proper divisors (8713453391).

26140360161 is an equidigital number, since it uses as much as digits as its factorization.

26140360161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713453390.

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

The spelling of 26140360161 in words is "twenty-six billion, one hundred forty million, three hundred sixty thousand, one hundred sixty-one".