6655566423 has 16 divisors (see below), whose sum is σ = 9685247616. Its totient is φ = 4031833440.

The previous prime is 6655566409. The next prime is 6655566427. The reversal of 6655566423 is 3246655566.

It is not a de Polignac number, because 6655566423 - 2⁹ = 6655565911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655566427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29061 + ... + 118977.

It is an arithmetic number, because the mean of its divisors is an integer number (605327976).

Almost surely, 2^6655566423 is an apocalyptic number.

6655566423 is a deficient number, since it is larger than the sum of its proper divisors (3029681193).

6655566423 is a wasteful number, since it uses less digits than its factorization.

6655566423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92174.

The product of its digits is 3888000, while the sum is 48.

The square root of 6655566423 is about 81581.6549415369. The cubic root of 6655566423 is about 1881.0269045525.

The spelling of 6655566423 in words is "six billion, six hundred fifty-five million, five hundred sixty-six thousand, four hundred twenty-three".