554366663 has 2 divisors, whose sum is σ = 554366664. Its totient is φ = 554366662.

The previous prime is 554366653. The next prime is 554366689. The reversal of 554366663 is 366663455.

554366663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554366663 - 2²⁸ = 285931207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554366653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277183331 + 277183332.

It is an arithmetic number, because the mean of its divisors is an integer number (277183332).

Almost surely, 2^554366663 is an apocalyptic number.

554366663 is a deficient number, since it is larger than the sum of its proper divisors (1).

554366663 is an equidigital number, since it uses as much as digits as its factorization.

554366663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 44.

The square root of 554366663 is about 23544.9923125917. The cubic root of 554366663 is about 821.4838604017.

It can be divided in two parts, 554 and 366663, that multiplied together give a palindrome (203131302).

The spelling of 554366663 in words is "five hundred fifty-four million, three hundred sixty-six thousand, six hundred sixty-three".