6627663 has 20 divisors (see below), whose sum is σ = 11315920. Its totient is φ = 3786912.

The previous prime is 6627661. The next prime is 6627667. The reversal of 6627663 is 3667266.

It is not a de Polignac number, because 6627663 - 2¹ = 6627661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6627661) 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 19 ways as a sum of consecutive naturals, for example, 5278 + ... + 6411.

It is an arithmetic number, because the mean of its divisors is an integer number (565796).

Almost surely, 2^6627663 is an apocalyptic number.

6627663 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6627663 is a deficient number, since it is larger than the sum of its proper divisors (4688257).

6627663 is a wasteful number, since it uses less digits than its factorization.

6627663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11708 (or 11699 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 6627663 is about 2574.4247901230. The cubic root of 6627663 is about 187.8394490922.

The spelling of 6627663 in words is "six million, six hundred twenty-seven thousand, six hundred sixty-three".