16648809549060 has 576 divisors, whose sum is σ = 54662070177792. Its totient is φ = 3761019150336.

The previous prime is 16648809549037. The next prime is 16648809549109. The reversal of 16648809549060 is 6094590884661.

It is a junction number, because it is equal to n+sod(n) for n = 16648809548982 and 16648809549000.

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 191 ways as a sum of consecutive naturals, for example, 7977387337 + ... + 7977389423.

It is an arithmetic number, because the mean of its divisors is an integer number (94899427392).

Almost surely, 2^{16648809549060} is an apocalyptic number.

16648809549060 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 16648809549060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27331035088896).

16648809549060 is an abundant number, since it is smaller than the sum of its proper divisors (38013260628732).

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

16648809549060 is a wasteful number, since it uses less digits than its factorization.

16648809549060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012 (or 2993 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 66.

The spelling of 16648809549060 in words is "sixteen trillion, six hundred forty-eight billion, eight hundred nine million, five hundred forty-nine thousand, sixty".