16923191965684 has 12 divisors (see below), whose sum is σ = 29615699605408. Its totient is φ = 8461563507000.

The previous prime is 16923191965619. The next prime is 16923191965697. The reversal of 16923191965684 is 48656919132961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6927042 + ... + 9046009.

Almost surely, 2^{16923191965684} is an apocalyptic number.

It is an amenable number.

16923191965684 is a deficient number, since it is larger than the sum of its proper divisors (12692507639724).

16923191965684 is a wasteful number, since it uses less digits than its factorization.

16923191965684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16237926 (or 16237924 counting only the distinct ones).

The product of its digits is 151165440, while the sum is 70.

The spelling of 16923191965684 in words is "sixteen trillion, nine hundred twenty-three billion, one hundred ninety-one million, nine hundred sixty-five thousand, six hundred eighty-four".