6600880099 has 8 divisors (see below), whose sum is σ = 7212638448. Its totient is φ = 5991068160.

The previous prime is 6600880087. The next prime is 6600880213. The reversal of 6600880099 is 9900880066.

It is a happy number.

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

It is not a de Polignac number, because 6600880099 - 2⁵ = 6600880067 is a prime.

6600880099 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (6600880049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479502 + ... + 493075.

It is an arithmetic number, because the mean of its divisors is an integer number (901579806).

Almost surely, 2^6600880099 is an apocalyptic number.

6600880099 is a deficient number, since it is larger than the sum of its proper divisors (611758349).

6600880099 is a wasteful number, since it uses less digits than its factorization.

6600880099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973205.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 6600880099 is about 81245.8005007028. The cubic root of 6600880099 is about 1875.8608289269.

The spelling of 6600880099 in words is "six billion, six hundred million, eight hundred eighty thousand, ninety-nine".