26312164061 has 4 divisors (see below), whose sum is σ = 26346923292. Its totient is φ = 26277404832.

The previous prime is 26312164049. The next prime is 26312164063. The reversal of 26312164061 is 16046121362.

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 9637348900 + 16674815161 = 98170^2 + 129131^2 .

It is a cyclic number.

It is not a de Polignac number, because 26312164061 - 2¹⁰ = 26312163037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26312164063) 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, 17378480 + ... + 17379993.

It is an arithmetic number, because the mean of its divisors is an integer number (6586730823).

Almost surely, 2^26312164061 is an apocalyptic number.

It is an amenable number.

26312164061 is a deficient number, since it is larger than the sum of its proper divisors (34759231).

26312164061 is an equidigital number, since it uses as much as digits as its factorization.

26312164061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34759230.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 26312164061 in words is "twenty-six billion, three hundred twelve million, one hundred sixty-four thousand, sixty-one".