32506320063 has 12 divisors (see below), whose sum is σ = 50417966040. Its totient is φ = 18575039952.

The previous prime is 32506320061. The next prime is 32506320071. The reversal of 32506320063 is 36002360523.

It is not a de Polignac number, because 32506320063 - 2¹ = 32506320061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32506320063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32506320061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110565568 + ... + 110565861.

It is an arithmetic number, because the mean of its divisors is an integer number (4201497170).

Almost surely, 2^32506320063 is an apocalyptic number.

32506320063 is a deficient number, since it is larger than the sum of its proper divisors (17911645977).

32506320063 is a wasteful number, since it uses less digits than its factorization.

32506320063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221131446 (or 221131439 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 32506320063 its reverse (36002360523), we get a palindrome (68508680586).

The spelling of 32506320063 in words is "thirty-two billion, five hundred six million, three hundred twenty thousand, sixty-three".