1663363103 has 2 divisors, whose sum is σ = 1663363104. Its totient is φ = 1663363102.

The previous prime is 1663363073. The next prime is 1663363123. The reversal of 1663363103 is 3013633661.

It is a strong prime.

It is an emirp because it is prime and its reverse (3013633661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1663363103 - 2¹⁰ = 1663362079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1663363103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1663363123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831681551 + 831681552.

It is an arithmetic number, because the mean of its divisors is an integer number (831681552).

Almost surely, 2^1663363103 is an apocalyptic number.

1663363103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1663363103 is an equidigital number, since it uses as much as digits as its factorization.

1663363103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 32.

The square root of 1663363103 is about 40784.3487504704. The cubic root of 1663363103 is about 1184.8472217832.

Adding to 1663363103 its reverse (3013633661), we get a palindrome (4676996764).

The spelling of 1663363103 in words is "one billion, six hundred sixty-three million, three hundred sixty-three thousand, one hundred three".