16517904484 has 27 divisors (see below), whose sum is σ = 29149919827. Its totient is φ = 8189935928.

The previous prime is 16517904449. The next prime is 16517904517. The reversal of 16517904484 is 48440971561.

The square root of 16517904484 is 128522.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 46010697 + ... + 46011055.

Almost surely, 2^16517904484 is an apocalyptic number.

16517904484 is the 128522-nd square number.

It is an amenable number.

16517904484 is a deficient number, since it is larger than the sum of its proper divisors (12632015343).

16517904484 is an frugal number, since it uses more digits than its factorization.

16517904484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

Multiplying 16517904484 by its sum of digits (49), we get a square (809377319716 = 899654²).

The spelling of 16517904484 in words is "sixteen billion, five hundred seventeen million, nine hundred four thousand, four hundred eighty-four".