1663355027 has 2 divisors, whose sum is σ = 1663355028. Its totient is φ = 1663355026.

The previous prime is 1663354997. The next prime is 1663355039. The reversal of 1663355027 is 7205533661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1663355027 - 2¹⁶ = 1663289491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1663355227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831677513 + 831677514.

It is an arithmetic number, because the mean of its divisors is an integer number (831677514).

Almost surely, 2^1663355027 is an apocalyptic number.

1663355027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1663355027 is an equidigital number, since it uses as much as digits as its factorization.

1663355027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 1663355027 is about 40784.2497417814. The cubic root of 1663355027 is about 1184.8453042140.

Adding to 1663355027 its reverse (7205533661), we get a palindrome (8868888688).

The spelling of 1663355027 in words is "one billion, six hundred sixty-three million, three hundred fifty-five thousand, twenty-seven".