1663411027 has 2 divisors, whose sum is σ = 1663411028. Its totient is φ = 1663411026.

The previous prime is 1663410997. The next prime is 1663411093. The reversal of 1663411027 is 7201143661.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1663411027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1663411027.

It is not a weakly prime, because it can be changed into another prime (1663411327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831705513 + 831705514.

It is an arithmetic number, because the mean of its divisors is an integer number (831705514).

Almost surely, 2^1663411027 is an apocalyptic number.

1663411027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1663411027 is an equidigital number, since it uses as much as digits as its factorization.

1663411027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1663411027 is about 40784.9362755417. The cubic root of 1663411027 is about 1184.8586007525.

Adding to 1663411027 its reverse (7201143661), we get a palindrome (8864554688).

The spelling of 1663411027 in words is "one billion, six hundred sixty-three million, four hundred eleven thousand, twenty-seven".