6128663 has 2 divisors, whose sum is σ = 6128664. Its totient is φ = 6128662.

The previous prime is 6128651. The next prime is 6128693. The reversal of 6128663 is 3668216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6128663 - 2¹⁴ = 6112279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6128623) 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 as a sum of consecutive naturals, namely, 3064331 + 3064332.

It is an arithmetic number, because the mean of its divisors is an integer number (3064332).

Almost surely, 2^6128663 is an apocalyptic number.

6128663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6128663 is an equidigital number, since it uses as much as digits as its factorization.

6128663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 6128663 is about 2475.6136612969. The cubic root of 6128663 is about 183.0017518022.

The spelling of 6128663 in words is "six million, one hundred twenty-eight thousand, six hundred sixty-three".