16394192803 has 4 divisors (see below), whose sum is σ = 16402396000. Its totient is φ = 16385989608.

The previous prime is 16394192783. The next prime is 16394192819. The reversal of 16394192803 is 30829149361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16394192803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16394192873) 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, 4098600 + ... + 4102597.

It is an arithmetic number, because the mean of its divisors is an integer number (4100599000).

Almost surely, 2^16394192803 is an apocalyptic number.

16394192803 is a deficient number, since it is larger than the sum of its proper divisors (8203197).

16394192803 is an equidigital number, since it uses as much as digits as its factorization.

16394192803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8203196.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 16394192803 in words is "sixteen billion, three hundred ninety-four million, one hundred ninety-two thousand, eight hundred three".