32616200021 has 2 divisors, whose sum is σ = 32616200022. Its totient is φ = 32616200020.

The previous prime is 32616200011. The next prime is 32616200063. The reversal of 32616200021 is 12000261623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26329930225 + 6286269796 = 162265^2 + 79286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32616200021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32616200021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32616200011) 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 as a sum of consecutive naturals, namely, 16308100010 + 16308100011.

It is an arithmetic number, because the mean of its divisors is an integer number (16308100011).

Almost surely, 2^32616200021 is an apocalyptic number.

It is an amenable number.

32616200021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32616200021 is an equidigital number, since it uses as much as digits as its factorization.

32616200021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 32616200021 its reverse (12000261623), we get a palindrome (44616461644).

The spelling of 32616200021 in words is "thirty-two billion, six hundred sixteen million, two hundred thousand, twenty-one".