16668350000 has 60 divisors (see below), whose sum is σ = 40366197648. Its totient is φ = 6667320000.

The previous prime is 16668349991. The next prime is 16668350011. The reversal of 16668350000 is 5386661.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116684 + ... + 216683.

Almost surely, 2^16668350000 is an apocalyptic number.

16668350000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16668350000 is an abundant number, since it is smaller than the sum of its proper divisors (23697847648).

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

16668350000 is an frugal number, since it uses more digits than its factorization.

16668350000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333400 (or 333374 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 16668350000 in words is "sixteen billion, six hundred sixty-eight million, three hundred fifty thousand".