6655706223 has 4 divisors (see below), whose sum is σ = 8874274968. Its totient is φ = 4437137480.

The previous prime is 6655706207. The next prime is 6655706257. The reversal of 6655706223 is 3226075566.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6655706223 - 2⁴ = 6655706207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655706263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109284368 + ... + 1109284373.

It is an arithmetic number, because the mean of its divisors is an integer number (2218568742).

Almost surely, 2^6655706223 is an apocalyptic number.

6655706223 is a deficient number, since it is larger than the sum of its proper divisors (2218568745).

6655706223 is a wasteful number, since it uses less digits than its factorization.

6655706223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218568744.

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 6655706223 is about 81582.5117473102. The cubic root of 6655706223 is about 1881.0400747674.

The spelling of 6655706223 in words is "six billion, six hundred fifty-five million, seven hundred six thousand, two hundred twenty-three".