16724449884 has 12 divisors (see below), whose sum is σ = 39023716424. Its totient is φ = 5574816624.

The previous prime is 16724449879. The next prime is 16724449961. The reversal of 16724449884 is 48894442761.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16724449884² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 696852067 + ... + 696852090.

Almost surely, 2^16724449884 is an apocalyptic number.

It is an amenable number.

16724449884 is an abundant number, since it is smaller than the sum of its proper divisors (22299266540).

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

16724449884 is a wasteful number, since it uses less digits than its factorization.

16724449884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393704164 (or 1393704162 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 57.

The spelling of 16724449884 in words is "sixteen billion, seven hundred twenty-four million, four hundred forty-nine thousand, eight hundred eighty-four".