6581955223 has 8 divisors (see below), whose sum is σ = 6654873456. Its totient is φ = 6509380800.

The previous prime is 6581955221. The next prime is 6581955227. The reversal of 6581955223 is 3225591856.

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 6581955223 - 2¹ = 6581955221 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 (6581955221) 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, 47358 + ... + 124123.

It is an arithmetic number, because the mean of its divisors is an integer number (831859182).

Almost surely, 2^6581955223 is an apocalyptic number.

6581955223 is a deficient number, since it is larger than the sum of its proper divisors (72918233).

6581955223 is a wasteful number, since it uses less digits than its factorization.

6581955223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171905.

The product of its digits is 648000, while the sum is 46.

The square root of 6581955223 is about 81129.2501074674. The cubic root of 6581955223 is about 1874.0664008080.

The spelling of 6581955223 in words is "six billion, five hundred eighty-one million, nine hundred fifty-five thousand, two hundred twenty-three".