16768977792 has 256 divisors, whose sum is σ = 52701196800. Its totient is φ = 4624293888.

The previous prime is 16768977781. The next prime is 16768977821. The reversal of 16768977792 is 29777986761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13823778 + ... + 13824990.

It is an arithmetic number, because the mean of its divisors is an integer number (205864050).

Almost surely, 2^16768977792 is an apocalyptic number.

16768977792 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 16768977792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26350598400).

16768977792 is an abundant number, since it is smaller than the sum of its proper divisors (35932219008).

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

16768977792 is a wasteful number, since it uses less digits than its factorization.

16768977792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1401 counting only the distinct ones).

The product of its digits is 112021056, while the sum is 69.

The spelling of 16768977792 in words is "sixteen billion, seven hundred sixty-eight million, nine hundred seventy-seven thousand, seven hundred ninety-two".