32016034061621 has 2 divisors, whose sum is σ = 32016034061622. Its totient is φ = 32016034061620.

The previous prime is 32016034061581. The next prime is 32016034061623. The reversal of 32016034061621 is 12616043061023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28295324842225 + 3720709219396 = 5319335^2 + 1928914^2 .

It is an emirp because it is prime and its reverse (12616043061023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32016034061621 is a prime.

Together with 32016034061623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32016034061623) by changing a digit.

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 as a sum of consecutive naturals, namely, 16008017030810 + 16008017030811.

It is an arithmetic number, because the mean of its divisors is an integer number (16008017030811).

Almost surely, 2^{32016034061621} is an apocalyptic number.

It is an amenable number.

32016034061621 is a deficient number, since it is larger than the sum of its proper divisors (1).

32016034061621 is an equidigital number, since it uses as much as digits as its factorization.

32016034061621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 32016034061621 in words is "thirty-two trillion, sixteen billion, thirty-four million, sixty-one thousand, six hundred twenty-one".