6605201117 has 8 divisors (see below), whose sum is σ = 6639232440. Its totient is φ = 6571215360.

The previous prime is 6605201107. The next prime is 6605201137. The reversal of 6605201117 is 7111025066.

It can be written as a sum of positive squares in 4 ways, for example, as 194156356 + 6411044761 = 13934^2 + 80069^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6605201117 - 2⁴ = 6605201101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6605201117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605201107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301073 + ... + 322265.

It is an arithmetic number, because the mean of its divisors is an integer number (829904055).

Almost surely, 2^6605201117 is an apocalyptic number.

It is an amenable number.

6605201117 is a deficient number, since it is larger than the sum of its proper divisors (34031323).

6605201117 is a wasteful number, since it uses less digits than its factorization.

6605201117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22783.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 6605201117 is about 81272.3884046728. The cubic root of 6605201117 is about 1876.2700602338.

The spelling of 6605201117 in words is "six billion, six hundred five million, two hundred one thousand, one hundred seventeen".