6600000099 has 64 divisors (see below), whose sum is σ = 11378884608. Its totient is φ = 3302294400.

The previous prime is 6600000091. The next prime is 6600000101. The reversal of 6600000099 is 9900000066.

It is not a de Polignac number, because 6600000099 - 2³ = 6600000091 is a prime.

6600000099 is a strobogrammatic number because it is the same when read upside-down.

6600000099 is a modest number, since divided by 99 gives 66 as remainder.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (6600000091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1594837 + ... + 1598969.

It is an arithmetic number, because the mean of its divisors is an integer number (177795072).

Almost surely, 2^6600000099 is an apocalyptic number.

6600000099 is a deficient number, since it is larger than the sum of its proper divisors (4778884509).

6600000099 is a wasteful number, since it uses less digits than its factorization.

6600000099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 6600000099 is about 81240.3846556625. The cubic root of 6600000099 is about 1875.7774647458. Note that the first 3 decimals are identical.

The spelling of 6600000099 in words is "six billion, six hundred million, ninety-nine", and thus it is an aban number.