6656232767 has 4 divisors (see below), whose sum is σ = 6657148056. Its totient is φ = 6655317480.

The previous prime is 6656232691. The next prime is 6656232787. The reversal of 6656232767 is 7672326566.

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 6656232767 - 2¹⁴ = 6656216383 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 (6656232787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446648 + ... + 461309.

It is an arithmetic number, because the mean of its divisors is an integer number (1664287014).

Almost surely, 2^6656232767 is an apocalyptic number.

6656232767 is a deficient number, since it is larger than the sum of its proper divisors (915289).

6656232767 is an equidigital number, since it uses as much as digits as its factorization.

6656232767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915288.

The product of its digits is 3810240, while the sum is 50.

The square root of 6656232767 is about 81585.7387476512. The cubic root of 6656232767 is about 1881.0896775300.

The spelling of 6656232767 in words is "six billion, six hundred fifty-six million, two hundred thirty-two thousand, seven hundred sixty-seven".