16746988172141 has 2 divisors, whose sum is σ = 16746988172142. Its totient is φ = 16746988172140.

The previous prime is 16746988172081. The next prime is 16746988172203. The reversal of 16746988172141 is 14127188964761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16258032015625 + 488956156516 = 4032125^2 + 699254^2 .

It is an emirp because it is prime and its reverse (14127188964761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16746988172141 is a prime.

It is a super-2 number, since 2×16746988172141² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16746988177141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8373494086070 + 8373494086071.

It is an arithmetic number, because the mean of its divisors is an integer number (8373494086071).

Almost surely, 2^{16746988172141} is an apocalyptic number.

It is an amenable number.

16746988172141 is a deficient number, since it is larger than the sum of its proper divisors (1).

16746988172141 is an equidigital number, since it uses as much as digits as its factorization.

16746988172141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 65.

The spelling of 16746988172141 in words is "sixteen trillion, seven hundred forty-six billion, nine hundred eighty-eight million, one hundred seventy-two thousand, one hundred forty-one".