16600555000 has 80 divisors (see below), whose sum is σ = 38997735480. Its totient is φ = 6622704000.

The previous prime is 16600554977. The next prime is 16600555019. The reversal of 16600555000 is 55500661.

It is a self number, because there is not a number n which added to its sum of digits gives 16600555000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1980819 + ... + 1989181.

Almost surely, 2^16600555000 is an apocalyptic number.

16600555000 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 16600555000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19498867740).

16600555000 is an abundant number, since it is smaller than the sum of its proper divisors (22397180480).

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

16600555000 is an equidigital number, since it uses as much as digits as its factorization.

16600555000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786 (or 8767 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 16600555000 in words is "sixteen billion, six hundred million, five hundred fifty-five thousand".