16343663516 has 24 divisors (see below), whose sum is σ = 29592652320. Its totient is φ = 7888715072.

The previous prime is 16343663513. The next prime is 16343663521. The reversal of 16343663516 is 61536634361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16343663513) 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, 1364345 + ... + 1376271.

It is an arithmetic number, because the mean of its divisors is an integer number (1233027180).

Almost surely, 2^16343663516 is an apocalyptic number.

It is an amenable number.

16343663516 is a deficient number, since it is larger than the sum of its proper divisors (13248988804).

16343663516 is a wasteful number, since it uses less digits than its factorization.

16343663516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23773 (or 23771 counting only the distinct ones).

The product of its digits is 699840, while the sum is 44.

The spelling of 16343663516 in words is "sixteen billion, three hundred forty-three million, six hundred sixty-three thousand, five hundred sixteen".