201103663 has 2 divisors, whose sum is σ = 201103664. Its totient is φ = 201103662.

The previous prime is 201103633. The next prime is 201103673. The reversal of 201103663 is 366301102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201103663 - 2⁹ = 201103151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201103633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551831 + 100551832.

It is an arithmetic number, because the mean of its divisors is an integer number (100551832).

Almost surely, 2^201103663 is an apocalyptic number.

201103663 is a deficient number, since it is larger than the sum of its proper divisors (1).

201103663 is an equidigital number, since it uses as much as digits as its factorization.

201103663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 201103663 is about 14181.1023196365. The cubic root of 201103663 is about 585.8772850472.

Adding to 201103663 its reverse (366301102), we get a palindrome (567404765).

The spelling of 201103663 in words is "two hundred one million, one hundred three thousand, six hundred sixty-three".