16745555369 has 2 divisors, whose sum is σ = 16745555370. Its totient is φ = 16745555368.

The previous prime is 16745555363. The next prime is 16745555383. The reversal of 16745555369 is 96355554761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11815690000 + 4929865369 = 108700^2 + 70213^2 .

It is a cyclic number.

It is not a de Polignac number, because 16745555369 - 2⁴ = 16745555353 is a prime.

It is a super-2 number, since 2×16745555369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16745555363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8372777684 + 8372777685.

It is an arithmetic number, because the mean of its divisors is an integer number (8372777685).

Almost surely, 2^16745555369 is an apocalyptic number.

It is an amenable number.

16745555369 is a deficient number, since it is larger than the sum of its proper divisors (1).

16745555369 is an equidigital number, since it uses as much as digits as its factorization.

16745555369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010000, while the sum is 56.

The spelling of 16745555369 in words is "sixteen billion, seven hundred forty-five million, five hundred fifty-five thousand, three hundred sixty-nine".