6789100816 has 15 divisors (see below), whose sum is σ = 13154521431.
Its totient is φ = 3394385616.
The previous prime is 6789100811. The next prime is 6789100819. The reversal of 6789100816 is 6180019876.
The square root of 6789100816 is 82396.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6789100811) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 319285 + ... + 339883.
Almost surely, 26789100816 is an apocalyptic number.
6789100816 is the 82396-th square number.
It is an amenable number.
6789100816 is a deficient number, since it is larger than the sum of its proper divisors (6365420615).
6789100816 is an frugal number, since it uses more digits than its factorization.
6789100816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41206 (or 20601 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 46.
The cubic root of 6789100816 is about 1893.5237320371.
The spelling of 6789100816 in words is "six billion, seven hundred eighty-nine million, one hundred thousand, eight hundred sixteen".