16730720850 has 192 divisors, whose sum is σ = 44864378496. Its totient is φ = 4111073280.

The previous prime is 16730720813. The next prime is 16730720879. The reversal of 16730720850 is 5802703761.

16730720850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16730720799 and 16730720808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28995762 + ... + 28996338.

It is an arithmetic number, because the mean of its divisors is an integer number (233668638).

Almost surely, 2^16730720850 is an apocalyptic number.

16730720850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16730720850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22432189248).

16730720850 is an abundant number, since it is smaller than the sum of its proper divisors (28133657646).

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

16730720850 is a wasteful number, since it uses less digits than its factorization.

16730720850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 16730720850 in words is "sixteen billion, seven hundred thirty million, seven hundred twenty thousand, eight hundred fifty".