6625564215 has 32 divisors (see below), whose sum is σ = 10668243456. Its totient is φ = 3511263360.

The previous prime is 6625564201. The next prime is 6625564217. The reversal of 6625564215 is 5124655266.

It is a happy number.

6625564215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6625564215 - 2⁶ = 6625564151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625564217) 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 31 ways as a sum of consecutive naturals, for example, 1616709 + ... + 1620801.

It is an arithmetic number, because the mean of its divisors is an integer number (333382608).

Almost surely, 2^6625564215 is an apocalyptic number.

6625564215 is a deficient number, since it is larger than the sum of its proper divisors (4042679241).

6625564215 is a wasteful number, since it uses less digits than its factorization.

6625564215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759.

The product of its digits is 432000, while the sum is 42.

The square root of 6625564215 is about 81397.5688519012. The cubic root of 6625564215 is about 1878.1961926478.

The spelling of 6625564215 in words is "six billion, six hundred twenty-five million, five hundred sixty-four thousand, two hundred fifteen".