6620199999 has 8 divisors (see below), whose sum is σ = 10087923840. Its totient is φ = 3782971416.

The previous prime is 6620199997. The next prime is 6620200007. The reversal of 6620199999 is 9999910266.

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

It is not a de Polignac number, because 6620199999 - 2¹ = 6620199997 is a prime.

6620199999 is a modest number, since divided by 99999 gives 66201 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620199991) 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, 157623789 + ... + 157623830.

It is an arithmetic number, because the mean of its divisors is an integer number (1260990480).

Almost surely, 2^6620199999 is an apocalyptic number.

6620199999 is a deficient number, since it is larger than the sum of its proper divisors (3467723841).

6620199999 is a wasteful number, since it uses less digits than its factorization.

6620199999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315247629.

The product of its (nonzero) digits is 4251528, while the sum is 60.

The square root of 6620199999 is about 81364.6114659193. The cubic root of 6620199999 is about 1877.6891782026.

The spelling of 6620199999 in words is "six billion, six hundred twenty million, one hundred ninety-nine thousand, nine hundred ninety-nine".