1327816663 has 2 divisors, whose sum is σ = 1327816664. Its totient is φ = 1327816662.

The previous prime is 1327816631. The next prime is 1327816673. The reversal of 1327816663 is 3666187231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1327816663 - 2⁵ = 1327816631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1327816673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663908331 + 663908332.

It is an arithmetic number, because the mean of its divisors is an integer number (663908332).

Almost surely, 2^1327816663 is an apocalyptic number.

1327816663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327816663 is an equidigital number, since it uses as much as digits as its factorization.

1327816663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 1327816663 is about 36439.2187484858. The cubic root of 1327816663 is about 1099.1223475958.

The spelling of 1327816663 in words is "one billion, three hundred twenty-seven million, eight hundred sixteen thousand, six hundred sixty-three".