1600800099 has 8 divisors (see below), whose sum is σ = 2134613520. Its totient is φ = 1067093376.

The previous prime is 1600800073. The next prime is 1600800101. The reversal of 1600800099 is 9900080061.

It is a happy number.

It is a Cunningham number, because it is equal to 40010²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1600800099 - 2¹² = 1600796003 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1600801099) 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 7 ways as a sum of consecutive naturals, for example, 20007 + ... + 60015.

It is an arithmetic number, because the mean of its divisors is an integer number (266826690).

Almost surely, 2^1600800099 is an apocalyptic number.

1600800099 is a deficient number, since it is larger than the sum of its proper divisors (533813421).

1600800099 is a wasteful number, since it uses less digits than its factorization.

1600800099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53349.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 1600800099 is about 40009.9999875031. Note that the first 4 decimals coincide. The cubic root of 1600800099 is about 1169.8020214361.

The spelling of 1600800099 in words is "one billion, six hundred million, eight hundred thousand, ninety-nine".