16343663203 has 6 divisors (see below), whose sum is σ = 19012016436. Its totient is φ = 14008854132.

The previous prime is 16343663183. The next prime is 16343663207. The reversal of 16343663203 is 30236634361.

It is not a de Polignac number, because 16343663203 - 2²¹ = 16341566051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16343663207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166772025 + ... + 166772122.

It is an arithmetic number, because the mean of its divisors is an integer number (3168669406).

Almost surely, 2^16343663203 is an apocalyptic number.

16343663203 is a deficient number, since it is larger than the sum of its proper divisors (2668353233).

16343663203 is an equidigital number, since it uses as much as digits as its factorization.

16343663203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333544161 (or 333544154 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 37.

The spelling of 16343663203 in words is "sixteen billion, three hundred forty-three million, six hundred sixty-three thousand, two hundred three".