16668301608 has 256 divisors, whose sum is σ = 55931904000. Its totient is φ = 4492972800.

The previous prime is 16668301579. The next prime is 16668301631. The reversal of 16668301608 is 80610386661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7784218 + ... + 7786358.

It is an arithmetic number, because the mean of its divisors is an integer number (218484000).

Almost surely, 2^16668301608 is an apocalyptic number.

16668301608 is a gapful number since it is divisible by the number (18) 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 16668301608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27965952000).

16668301608 is an abundant number, since it is smaller than the sum of its proper divisors (39263602392).

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

16668301608 is a wasteful number, since it uses less digits than its factorization.

16668301608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 16668301608 in words is "sixteen billion, six hundred sixty-eight million, three hundred one thousand, six hundred eight".