16746737564653 has 2 divisors, whose sum is σ = 16746737564654. Its totient is φ = 16746737564652.

The previous prime is 16746737564651. The next prime is 16746737564657. The reversal of 16746737564653 is 35646573764761.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11215948356484 + 5530789208169 = 3349022^2 + 2351763^2 .

It is an emirp because it is prime and its reverse (35646573764761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16746737564653 - 2¹ = 16746737564651 is a prime.

Together with 16746737564651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16746737564651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8373368782326 + 8373368782327.

It is an arithmetic number, because the mean of its divisors is an integer number (8373368782327).

Almost surely, 2^{16746737564653} is an apocalyptic number.

It is an amenable number.

16746737564653 is a deficient number, since it is larger than the sum of its proper divisors (1).

16746737564653 is an equidigital number, since it uses as much as digits as its factorization.

16746737564653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1600300800, while the sum is 70.

The spelling of 16746737564653 in words is "sixteen trillion, seven hundred forty-six billion, seven hundred thirty-seven million, five hundred sixty-four thousand, six hundred fifty-three".