201632630505 has 16 divisors (see below), whose sum is σ = 322619993280. Its totient is φ = 107534808128.

The previous prime is 201632630477. The next prime is 201632630531. The reversal of 201632630505 is 505036236102.

It is a cyclic number.

It is not a de Polignac number, because 201632630505 - 2⁹ = 201632629993 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593899 + ... + 869471.

It is an arithmetic number, because the mean of its divisors is an integer number (20163749580).

Almost surely, 2^201632630505 is an apocalyptic number.

It is an amenable number.

201632630505 is a deficient number, since it is larger than the sum of its proper divisors (120987362775).

201632630505 is a wasteful number, since it uses less digits than its factorization.

201632630505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324360.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 201632630505 its reverse (505036236102), we get a palindrome (706668866607).

The spelling of 201632630505 in words is "two hundred one billion, six hundred thirty-two million, six hundred thirty thousand, five hundred five".