26160254621 has 2 divisors, whose sum is σ = 26160254622. Its totient is φ = 26160254620.

The previous prime is 26160254609. The next prime is 26160254651. The reversal of 26160254621 is 12645206162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23390337721 + 2769916900 = 152939^2 + 52630^2 .

It is a cyclic number.

It is not a de Polignac number, because 26160254621 - 2³⁰ = 25086512797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26160254651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13080127310 + 13080127311.

It is an arithmetic number, because the mean of its divisors is an integer number (13080127311).

Almost surely, 2^26160254621 is an apocalyptic number.

It is an amenable number.

26160254621 is a deficient number, since it is larger than the sum of its proper divisors (1).

26160254621 is an equidigital number, since it uses as much as digits as its factorization.

26160254621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 26160254621 in words is "twenty-six billion, one hundred sixty million, two hundred fifty-four thousand, six hundred twenty-one".