16006644200 has 24 divisors (see below), whose sum is σ = 37215448230. Its totient is φ = 6402657600.

The previous prime is 16006644169. The next prime is 16006644209. The reversal of 16006644200 is 244660061.

It can be written as a sum of positive squares in 3 ways, for example, as 13401766756 + 2604877444 = 115766^2 + 51038^2 .

It is not an unprimeable number, because it can be changed into a prime (16006644209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40016411 + ... + 40016810.

Almost surely, 2^16006644200 is an apocalyptic number.

16006644200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16006644200 is an abundant number, since it is smaller than the sum of its proper divisors (21208804030).

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

16006644200 is a wasteful number, since it uses less digits than its factorization.

16006644200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80033237 (or 80033228 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 16006644200 in words is "sixteen billion, six million, six hundred forty-four thousand, two hundred".