6588220661 has 8 divisors (see below), whose sum is σ = 7188894624. Its totient is φ = 5987837520.

The previous prime is 6588220649. The next prime is 6588220679. The reversal of 6588220661 is 1660228856.

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 6588220661 - 2¹⁴ = 6588204277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6588120661) 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, 23906 + ... + 117251.

It is an arithmetic number, because the mean of its divisors is an integer number (898611828).

Almost surely, 2^6588220661 is an apocalyptic number.

It is an amenable number.

6588220661 is a deficient number, since it is larger than the sum of its proper divisors (600673963).

6588220661 is a wasteful number, since it uses less digits than its factorization.

6588220661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145411.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 6588220661 is about 81167.8548503039. The cubic root of 6588220661 is about 1874.6608605939.

The spelling of 6588220661 in words is "six billion, five hundred eighty-eight million, two hundred twenty thousand, six hundred sixty-one".