16699999000 has 128 divisors (see below), whose sum is σ = 39639600000. Its totient is φ = 6584716800.

The previous prime is 16699998983. The next prime is 16699999003. The reversal of 16699999000 is 99999661.

It is a happy number.

16699999000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16699999003) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 38040781 + ... + 38041219.

It is an arithmetic number, because the mean of its divisors is an integer number (309684375).

Almost surely, 2^16699999000 is an apocalyptic number.

16699999000 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 16699999000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19819800000).

16699999000 is an abundant number, since it is smaller than the sum of its proper divisors (22939601000).

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

16699999000 is a wasteful number, since it uses less digits than its factorization.

16699999000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 2125764, while the sum is 58.

The spelling of 16699999000 in words is "sixteen billion, six hundred ninety-nine million, nine hundred ninety-nine thousand".