16472221303624 has 16 divisors (see below), whose sum is σ = 30885811570620. Its totient is φ = 8236004884800.

The previous prime is 16472221303613. The next prime is 16472221303631. The reversal of 16472221303624 is 42630312227461.

It can be written as a sum of positive squares in 2 ways, for example, as 15986258951524 + 485962352100 = 3998282^2 + 697110^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12557019 + ... + 13806634.

Almost surely, 2^{16472221303624} is an apocalyptic number.

It is an amenable number.

16472221303624 is a deficient number, since it is larger than the sum of its proper divisors (14413590266996).

16472221303624 is a wasteful number, since it uses less digits than its factorization.

16472221303624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26441760 (or 26441756 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 16472221303624 in words is "sixteen trillion, four hundred seventy-two billion, two hundred twenty-one million, three hundred three thousand, six hundred twenty-four".