26854216159 has 16 divisors (see below), whose sum is σ = 27447444864. Its totient is φ = 26268700000.

The previous prime is 26854216153. The next prime is 26854216183. The reversal of 26854216159 is 95161245862.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26854216159 - 2⁵ = 26854216127 is a prime.

It is a super-2 number, since 2×26854216159² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26854216153) 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 15 ways as a sum of consecutive naturals, for example, 3600384 + ... + 3607834.

It is an arithmetic number, because the mean of its divisors is an integer number (1715465304).

Almost surely, 2^26854216159 is an apocalyptic number.

26854216159 is a deficient number, since it is larger than the sum of its proper divisors (593228705).

26854216159 is a wasteful number, since it uses less digits than its factorization.

26854216159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958.

The product of its digits is 1036800, while the sum is 49.

The spelling of 26854216159 in words is "twenty-six billion, eight hundred fifty-four million, two hundred sixteen thousand, one hundred fifty-nine".