26416537889 has 16 divisors (see below), whose sum is σ = 30317840640. Its totient is φ = 22547298240.

The previous prime is 26416537837. The next prime is 26416537933. The reversal of 26416537889 is 98873561462.

It is a cyclic number.

It is not a de Polignac number, because 26416537889 - 2¹⁶ = 26416472353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26416533889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1834859 + ... + 1849199.

It is an arithmetic number, because the mean of its divisors is an integer number (1894865040).

Almost surely, 2^26416537889 is an apocalyptic number.

It is an amenable number.

26416537889 is a deficient number, since it is larger than the sum of its proper divisors (3901302751).

26416537889 is a wasteful number, since it uses less digits than its factorization.

26416537889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15440.

The product of its digits is 17418240, while the sum is 59.

The spelling of 26416537889 in words is "twenty-six billion, four hundred sixteen million, five hundred thirty-seven thousand, eight hundred eighty-nine".