26164896861 has 8 divisors (see below), whose sum is σ = 36011901184. Its totient is φ = 16880578560.

The previous prime is 26164896841. The next prime is 26164896869. The reversal of 26164896861 is 16869846162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26164896861 - 2⁹ = 26164896349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26164896869) 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 7 ways as a sum of consecutive naturals, for example, 140671396 + ... + 140671581.

It is an arithmetic number, because the mean of its divisors is an integer number (4501487648).

Almost surely, 2^26164896861 is an apocalyptic number.

It is an amenable number.

26164896861 is a deficient number, since it is larger than the sum of its proper divisors (9847004323).

26164896861 is a wasteful number, since it uses less digits than its factorization.

26164896861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281343011.

The product of its digits is 5971968, while the sum is 57.

The spelling of 26164896861 in words is "twenty-six billion, one hundred sixty-four million, eight hundred ninety-six thousand, eight hundred sixty-one".