16545651600613 has 2 divisors, whose sum is σ = 16545651600614. Its totient is φ = 16545651600612.

The previous prime is 16545651600601. The next prime is 16545651600619. The reversal of 16545651600613 is 31600615654561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9092980918849 + 7452670681764 = 3015457^2 + 2729958^2 .

It is an emirp because it is prime and its reverse (31600615654561) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16545651600613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545651600619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272825800306 + 8272825800307.

It is an arithmetic number, because the mean of its divisors is an integer number (8272825800307).

Almost surely, 2^{16545651600613} is an apocalyptic number.

It is an amenable number.

16545651600613 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545651600613 is an equidigital number, since it uses as much as digits as its factorization.

16545651600613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 16545651600613 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-one million, six hundred thousand, six hundred thirteen".