16452503342081 has 2 divisors, whose sum is σ = 16452503342082. Its totient is φ = 16452503342080.

The previous prime is 16452503342069. The next prime is 16452503342083. The reversal of 16452503342081 is 18024330525461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15264492720400 + 1188010621681 = 3906980^2 + 1089959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16452503342081 is a prime.

It is a super-2 number, since 2×16452503342081² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 16452503342083, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16452503342083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8226251671040 + 8226251671041.

It is an arithmetic number, because the mean of its divisors is an integer number (8226251671041).

Almost surely, 2^{16452503342081} is an apocalyptic number.

It is an amenable number.

16452503342081 is a deficient number, since it is larger than the sum of its proper divisors (1).

16452503342081 is an equidigital number, since it uses as much as digits as its factorization.

16452503342081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 16452503342081 in words is "sixteen trillion, four hundred fifty-two billion, five hundred three million, three hundred forty-two thousand, eighty-one".