16341665203 has 4 divisors (see below), whose sum is σ = 16342034800. Its totient is φ = 16341295608.

The previous prime is 16341665161. The next prime is 16341665227. The reversal of 16341665203 is 30256614361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30256614361 = 317 ⋅95446733.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16341665203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16341665233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107775 + ... + 210472.

It is an arithmetic number, because the mean of its divisors is an integer number (4085508700).

Almost surely, 2^16341665203 is an apocalyptic number.

16341665203 is a deficient number, since it is larger than the sum of its proper divisors (369597).

16341665203 is an equidigital number, since it uses as much as digits as its factorization.

16341665203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369596.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 16341665203 in words is "sixteen billion, three hundred forty-one million, six hundred sixty-five thousand, two hundred three".