16988539488 has 48 divisors (see below), whose sum is σ = 44609589360. Its totient is φ = 5660983296.

The previous prime is 16988539471. The next prime is 16988539499. The reversal of 16988539488 is 88493588961.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×16988539488² (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 7 ways as a sum of consecutive naturals, for example, 281328 + ... + 336336.

It is an arithmetic number, because the mean of its divisors is an integer number (929366445).

Almost surely, 2^16988539488 is an apocalyptic number.

It is an amenable number.

16988539488 is an abundant number, since it is smaller than the sum of its proper divisors (27621049872).

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

16988539488 is a wasteful number, since it uses less digits than its factorization.

16988539488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58239 (or 58231 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 69.

The spelling of 16988539488 in words is "sixteen billion, nine hundred eighty-eight million, five hundred thirty-nine thousand, four hundred eighty-eight".