16897422803 has 4 divisors (see below), whose sum is σ = 17290386168. Its totient is φ = 16504459440.

The previous prime is 16897422793. The next prime is 16897422877. The reversal of 16897422803 is 30822479861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30822479861 = 293 ⋅105196177.

It is a cyclic number.

It is not a de Polignac number, because 16897422803 - 2¹⁴ = 16897406419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16897422103) 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, 196481618 + ... + 196481703.

It is an arithmetic number, because the mean of its divisors is an integer number (4322596542).

Almost surely, 2^16897422803 is an apocalyptic number.

16897422803 is a deficient number, since it is larger than the sum of its proper divisors (392963365).

16897422803 is an equidigital number, since it uses as much as digits as its factorization.

16897422803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392963364.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 16897422803 in words is "sixteen billion, eight hundred ninety-seven million, four hundred twenty-two thousand, eight hundred three".