6788550663 has 12 divisors (see below), whose sum is σ = 9807355480. Its totient is φ = 4524929136.

The previous prime is 6788550647. The next prime is 6788550689. The reversal of 6788550663 is 3660558876.

6788550663 is a `hidden beast` number, since 6 + 7 + 88 + 550 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 6788550663 - 2⁴ = 6788550647 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 (6788550863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5728 + ... + 116661.

Almost surely, 2^6788550663 is an apocalyptic number.

6788550663 is a deficient number, since it is larger than the sum of its proper divisors (3018804817).

6788550663 is a wasteful number, since it uses less digits than its factorization.

6788550663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128558 (or 128555 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The square root of 6788550663 is about 82392.6614632638. The cubic root of 6788550663 is about 1893.4725835895.

The spelling of 6788550663 in words is "six billion, seven hundred eighty-eight million, five hundred fifty thousand, six hundred sixty-three".