16919343130544 has 20 divisors (see below), whose sum is σ = 32788436875224. Its totient is φ = 8457811033728.

The previous prime is 16919343130541. The next prime is 16919343130559. The reversal of 16919343130544 is 44503134391961.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16919343130541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116208197 + ... + 116353700.

Almost surely, 2^{16919343130544} is an apocalyptic number.

It is an amenable number.

16919343130544 is a deficient number, since it is larger than the sum of its proper divisors (15869093744680).

16919343130544 is a wasteful number, since it uses less digits than its factorization.

16919343130544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232566452 (or 232566446 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 16919343130544 in words is "sixteen trillion, nine hundred nineteen billion, three hundred forty-three million, one hundred thirty thousand, five hundred forty-four".