26168406284943 has 12 divisors (see below), whose sum is σ = 40706409776760. Its totient is φ = 16103634636816.

The previous prime is 26168406284921. The next prime is 26168406284959. The reversal of 26168406284943 is 34948260486162.

It is a happy number.

26168406284943 is a `hidden beast` number, since 2 + 6 + 1 + 6 + 84 + 0 + 62 + 8 + 494 + 3 = 666.

It is not a de Polignac number, because 26168406284943 - 2¹⁴ = 26168406268559 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26168406204943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111830795973 + ... + 111830796206.

It is an arithmetic number, because the mean of its divisors is an integer number (3392200814730).

Almost surely, 2^{26168406284943} is an apocalyptic number.

26168406284943 is a deficient number, since it is larger than the sum of its proper divisors (14538003491817).

26168406284943 is a wasteful number, since it uses less digits than its factorization.

26168406284943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223661592198 (or 223661592195 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 63.

The spelling of 26168406284943 in words is "twenty-six trillion, one hundred sixty-eight billion, four hundred six million, two hundred eighty-four thousand, nine hundred forty-three".