16397704223 has 4 divisors (see below), whose sum is σ = 16397986848. Its totient is φ = 16397421600.

The previous prime is 16397704201. The next prime is 16397704307. The reversal of 16397704223 is 32240779361.

16397704223 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 16397704223 - 2¹⁰ = 16397703199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16397704423) 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, 18986 + ... + 182087.

It is an arithmetic number, because the mean of its divisors is an integer number (4099496712).

Almost surely, 2^16397704223 is an apocalyptic number.

16397704223 is a deficient number, since it is larger than the sum of its proper divisors (282625).

16397704223 is an equidigital number, since it uses as much as digits as its factorization.

16397704223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282624.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 16397704223 in words is "sixteen billion, three hundred ninety-seven million, seven hundred four thousand, two hundred twenty-three".