16903218073 has 8 divisors (see below), whose sum is σ = 19323459648. Its totient is φ = 14484350544.

The previous prime is 16903218053. The next prime is 16903218077. The reversal of 16903218073 is 37081230961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16903218073 - 2⁵ = 16903218041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16903218077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317011 + ... + 366472.

It is an arithmetic number, because the mean of its divisors is an integer number (2415432456).

Almost surely, 2^16903218073 is an apocalyptic number.

It is an amenable number.

16903218073 is a deficient number, since it is larger than the sum of its proper divisors (2420241575).

16903218073 is an equidigital number, since it uses as much as digits as its factorization.

16903218073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687023.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 16903218073 in words is "sixteen billion, nine hundred three million, two hundred eighteen thousand, seventy-three".