16004504432 has 40 divisors (see below), whose sum is σ = 35520497376. Its totient is φ = 6843211776.

The previous prime is 16004504413. The next prime is 16004504443. The reversal of 16004504432 is 23440540061.

It is a super-3 number, since 3×16004504432³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 16004504395 and 16004504404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116513 + ... + 213504.

Almost surely, 2^16004504432 is an apocalyptic number.

It is an amenable number.

16004504432 is an abundant number, since it is smaller than the sum of its proper divisors (19515992944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16004504432 is a wasteful number, since it uses less digits than its factorization.

16004504432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330465 (or 330459 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 16004504432 in words is "sixteen billion, four million, five hundred four thousand, four hundred thirty-two".