6767832656 has 20 divisors (see below), whose sum is σ = 14121343572. Its totient is φ = 3123614976.

The previous prime is 6767832653. The next prime is 6767832703. The reversal of 6767832656 is 6562387676.

It can be written as a sum of positive squares in 2 ways, for example, as 540097600 + 6227735056 = 23240^2 + 78916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6767832653) 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, 16268621 + ... + 16269036.

Almost surely, 2^6767832656 is an apocalyptic number.

It is an amenable number.

6767832656 is an abundant number, since it is smaller than the sum of its proper divisors (7353510916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6767832656 is a wasteful number, since it uses less digits than its factorization.

6767832656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32537678 (or 32537672 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 56.

The square root of 6767832656 is about 82266.8381305615. The cubic root of 6767832656 is about 1891.5443883243.

The spelling of 6767832656 in words is "six billion, seven hundred sixty-seven million, eight hundred thirty-two thousand, six hundred fifty-six".