16691793192 has 96 divisors (see below), whose sum is σ = 46578430080. Its totient is φ = 5397235200.

The previous prime is 16691793161. The next prime is 16691793193. The reversal of 16691793192 is 29139719661.

It is not an unprimeable number, because it can be changed into a prime (16691793193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360567 + ... + 404217.

It is an arithmetic number, because the mean of its divisors is an integer number (485191980).

Almost surely, 2^16691793192 is an apocalyptic number.

16691793192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16691793192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23289215040).

16691793192 is an abundant number, since it is smaller than the sum of its proper divisors (29886636888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16691793192 is a wasteful number, since it uses less digits than its factorization.

16691793192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43823 (or 43816 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 54.

The spelling of 16691793192 in words is "sixteen billion, six hundred ninety-one million, seven hundred ninety-three thousand, one hundred ninety-two".