16326563266 has 16 divisors (see below), whose sum is σ = 26378796024. Its totient is φ = 7533874944.

The previous prime is 16326563243. The next prime is 16326563273. The reversal of 16326563266 is 66236562361.

16326563266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14189812641 + 2136750625 = 119121^2 + 46225^2 .

It is an unprimeable number.

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, 82000 + ... + 198436.

Almost surely, 2^16326563266 is an apocalyptic number.

16326563266 is a deficient number, since it is larger than the sum of its proper divisors (10052232758).

16326563266 is a wasteful number, since it uses less digits than its factorization.

16326563266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121845.

The product of its digits is 1399680, while the sum is 46.

The spelling of 16326563266 in words is "sixteen billion, three hundred twenty-six million, five hundred sixty-three thousand, two hundred sixty-six".