26551426163 has 4 divisors (see below), whose sum is σ = 26553288360. Its totient is φ = 26549563968.

The previous prime is 26551426133. The next prime is 26551426243. The reversal of 26551426163 is 36162415562.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26551426163 - 2¹⁰ = 26551425139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26551426163.

It is not an unprimeable number, because it can be changed into a prime (26551426133) 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 in 3 ways as a sum of consecutive naturals, for example, 909545 + ... + 938282.

It is an arithmetic number, because the mean of its divisors is an integer number (6638322090).

Almost surely, 2^26551426163 is an apocalyptic number.

26551426163 is a deficient number, since it is larger than the sum of its proper divisors (1862197).

26551426163 is a wasteful number, since it uses less digits than its factorization.

26551426163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862196.

The product of its digits is 259200, while the sum is 41.

The spelling of 26551426163 in words is "twenty-six billion, five hundred fifty-one million, four hundred twenty-six thousand, one hundred sixty-three".