26164426117073 has 4 divisors (see below), whose sum is σ = 26226871048560. Its totient is φ = 26101981185588.

The previous prime is 26164426117061. The next prime is 26164426117087. The reversal of 26164426117073 is 37071162446162.

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 26164426117073 - 2⁸ = 26164426116817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26164426117003) 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, 31222465115 + ... + 31222465952.

It is an arithmetic number, because the mean of its divisors is an integer number (6556717762140).

Almost surely, 2^{26164426117073} is an apocalyptic number.

It is an amenable number.

26164426117073 is a deficient number, since it is larger than the sum of its proper divisors (62444931487).

26164426117073 is an equidigital number, since it uses as much as digits as its factorization.

26164426117073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62444931486.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 26164426117073 in words is "twenty-six trillion, one hundred sixty-four billion, four hundred twenty-six million, one hundred seventeen thousand, seventy-three".