6771663 has 12 divisors (see below), whose sum is σ = 9853480. Its totient is φ = 4481136.

The previous prime is 6771649. The next prime is 6771673. The reversal of 6771663 is 3661776.

It is not a de Polignac number, because 6771663 - 2⁵ = 6771631 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 (6771673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1456 + ... + 3957.

Almost surely, 2^6771663 is an apocalyptic number.

6771663 is a deficient number, since it is larger than the sum of its proper divisors (3081817).

6771663 is a wasteful number, since it uses less digits than its factorization.

6771663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558 (or 5555 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 6771663 is about 2602.2419180391. The cubic root of 6771663 is about 189.1901169175.

The spelling of 6771663 in words is "six million, seven hundred seventy-one thousand, six hundred sixty-three".