16519289155388 has 6 divisors (see below), whose sum is σ = 28908756021936. Its totient is φ = 8259644577692.

The previous prime is 16519289155387. The next prime is 16519289155393. The reversal of 16519289155388 is 88355198291561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16519289155387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064911144420 + ... + 2064911144427.

It is an arithmetic number, because the mean of its divisors is an integer number (4818126003656).

Almost surely, 2^{16519289155388} is an apocalyptic number.

It is an amenable number.

16519289155388 is a deficient number, since it is larger than the sum of its proper divisors (12389466866548).

16519289155388 is a wasteful number, since it uses less digits than its factorization.

16519289155388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129822288851 (or 4129822288849 counting only the distinct ones).

The product of its digits is 186624000, while the sum is 71.

The spelling of 16519289155388 in words is "sixteen trillion, five hundred nineteen billion, two hundred eighty-nine million, one hundred fifty-five thousand, three hundred eighty-eight".