6610201256205 has 24 divisors (see below), whose sum is σ = 11477201272992. Its totient is φ = 3519434794464.

The previous prime is 6610201256189. The next prime is 6610201256297. The reversal of 6610201256205 is 5026521020166.

6610201256205 is a `hidden beast` number, since 6 + 6 + 1 + 0 + 2 + 0 + 1 + 25 + 620 + 5 = 666.

It is not a de Polignac number, because 6610201256205 - 2⁴ = 6610201256189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6610201256205.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 125095699 + ... + 125148528.

It is an arithmetic number, because the mean of its divisors is an integer number (478216719708).

Almost surely, 2^{6610201256205} is an apocalyptic number.

It is an amenable number.

6610201256205 is a deficient number, since it is larger than the sum of its proper divisors (4867000016787).

6610201256205 is a wasteful number, since it uses less digits than its factorization.

6610201256205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250244825 (or 250244822 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 6610201256205 in words is "six trillion, six hundred ten billion, two hundred one million, two hundred fifty-six thousand, two hundred five".