201246227663 has 4 divisors (see below), whose sum is σ = 216726706728. Its totient is φ = 185765748600.

The previous prime is 201246227653. The next prime is 201246227669. The reversal of 201246227663 is 366722642102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201246227663 - 2¹⁶ = 201246162127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201246227663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201246227669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7740239513 + ... + 7740239538.

It is an arithmetic number, because the mean of its divisors is an integer number (54181676682).

Almost surely, 2^201246227663 is an apocalyptic number.

201246227663 is a deficient number, since it is larger than the sum of its proper divisors (15480479065).

201246227663 is a wasteful number, since it uses less digits than its factorization.

201246227663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15480479064.

The product of its (nonzero) digits is 290304, while the sum is 41.

Adding to 201246227663 its reverse (366722642102), we get a palindrome (567968869765).

The spelling of 201246227663 in words is "two hundred one billion, two hundred forty-six million, two hundred twenty-seven thousand, six hundred sixty-three".