16488571138 has 16 divisors (see below), whose sum is σ = 26676578880. Its totient is φ = 7598339856.

The previous prime is 16488571103. The next prime is 16488571139. The reversal of 16488571138 is 83117588461.

It is not an unprimeable number, because it can be changed into a prime (16488571139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473268 + ... + 506911.

It is an arithmetic number, because the mean of its divisors is an integer number (1667286180).

Almost surely, 2^16488571138 is an apocalyptic number.

16488571138 is a deficient number, since it is larger than the sum of its proper divisors (10188007742).

16488571138 is a wasteful number, since it uses less digits than its factorization.

16488571138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980841.

The product of its digits is 1290240, while the sum is 52.

The spelling of 16488571138 in words is "sixteen billion, four hundred eighty-eight million, five hundred seventy-one thousand, one hundred thirty-eight".