16287216603 has 8 divisors (see below), whose sum is σ = 24818615808. Its totient is φ = 9306980904.

The previous prime is 16287216601. The next prime is 16287216637. The reversal of 16287216603 is 30661278261.

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

It is not a de Polignac number, because 16287216603 - 2¹ = 16287216601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16287216601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387790851 + ... + 387790892.

It is an arithmetic number, because the mean of its divisors is an integer number (3102326976).

Almost surely, 2^16287216603 is an apocalyptic number.

16287216603 is a deficient number, since it is larger than the sum of its proper divisors (8531399205).

16287216603 is an equidigital number, since it uses as much as digits as its factorization.

16287216603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775581753.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 16287216603 in words is "sixteen billion, two hundred eighty-seven million, two hundred sixteen thousand, six hundred three".