16780146100673 has 2 divisors, whose sum is σ = 16780146100674. Its totient is φ = 16780146100672.

The previous prime is 16780146100651. The next prime is 16780146100721. The reversal of 16780146100673 is 37600164108761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15194037590209 + 1586108510464 = 3897953^2 + 1259408^2 .

It is an emirp because it is prime and its reverse (37600164108761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16780146100673 - 2¹² = 16780146096577 is a prime.

It is not a weakly prime, because it can be changed into another prime (16780146100643) 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, 8390073050336 + 8390073050337.

It is an arithmetic number, because the mean of its divisors is an integer number (8390073050337).

Almost surely, 2^{16780146100673} is an apocalyptic number.

It is an amenable number.

16780146100673 is a deficient number, since it is larger than the sum of its proper divisors (1).

16780146100673 is an equidigital number, since it uses as much as digits as its factorization.

16780146100673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 16780146100673 in words is "sixteen trillion, seven hundred eighty billion, one hundred forty-six million, one hundred thousand, six hundred seventy-three".