16278769223 has 4 divisors (see below), whose sum is σ = 16279348800. Its totient is φ = 16278189648.

The previous prime is 16278769187. The next prime is 16278769267. The reversal of 16278769223 is 32296787261.

16278769223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16278769223 - 2⁶ = 16278769159 is a prime.

It is a super-3 number, since 3×16278769223³ (a number of 32 digits) contains 333 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 (16278729223) 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 3 ways as a sum of consecutive naturals, for example, 245390 + ... + 304587.

It is an arithmetic number, because the mean of its divisors is an integer number (4069837200).

Almost surely, 2^16278769223 is an apocalyptic number.

16278769223 is a deficient number, since it is larger than the sum of its proper divisors (579577).

16278769223 is an equidigital number, since it uses as much as digits as its factorization.

16278769223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579576.

The product of its digits is 3048192, while the sum is 53.

The spelling of 16278769223 in words is "sixteen billion, two hundred seventy-eight million, seven hundred sixty-nine thousand, two hundred twenty-three".