16895768920 has 64 divisors (see below), whose sum is σ = 40345776000. Its totient is φ = 6345891840.

The previous prime is 16895768917. The next prime is 16895768921. The reversal of 16895768920 is 2986759861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16895768921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264256 + ... + 321904.

It is an arithmetic number, because the mean of its divisors is an integer number (630402750).

Almost surely, 2^16895768920 is an apocalyptic number.

16895768920 is a gapful number since it is divisible by the number (10) 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 16895768920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20172888000).

16895768920 is an abundant number, since it is smaller than the sum of its proper divisors (23450007080).

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

16895768920 is a wasteful number, since it uses less digits than its factorization.

16895768920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58108 (or 58104 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 16895768920 in words is "sixteen billion, eight hundred ninety-five million, seven hundred sixty-eight thousand, nine hundred twenty".