16545122329997 has 2 divisors, whose sum is σ = 16545122329998. Its totient is φ = 16545122329996.

The previous prime is 16545122329979. The next prime is 16545122330003. The reversal of 16545122329997 is 79992322154561.

Together with previous prime (16545122329979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15235953862276 + 1309168467721 = 3903326^2 + 1144189^2 .

It is an emirp because it is prime and its reverse (79992322154561) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16545122329997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545122329597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272561164998 + 8272561164999.

It is an arithmetic number, because the mean of its divisors is an integer number (8272561164999).

Almost surely, 2^{16545122329997} is an apocalyptic number.

It is an amenable number.

16545122329997 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545122329997 is an equidigital number, since it uses as much as digits as its factorization.

16545122329997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73483200, while the sum is 65.

The spelling of 16545122329997 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-two million, three hundred twenty-nine thousand, nine hundred ninety-seven".