16882281613381 has 2 divisors, whose sum is σ = 16882281613382. Its totient is φ = 16882281613380.

The previous prime is 16882281613343. The next prime is 16882281613387. The reversal of 16882281613381 is 18331618228861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13807838492100 + 3074443121281 = 3715890^2 + 1753409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16882281613381 is a prime.

It is a super-2 number, since 2×16882281613381² (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 (16882281613387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8441140806690 + 8441140806691.

It is an arithmetic number, because the mean of its divisors is an integer number (8441140806691).

Almost surely, 2^{16882281613381} is an apocalyptic number.

It is an amenable number.

16882281613381 is a deficient number, since it is larger than the sum of its proper divisors (1).

16882281613381 is an equidigital number, since it uses as much as digits as its factorization.

16882281613381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5308416, while the sum is 58.

The spelling of 16882281613381 in words is "sixteen trillion, eight hundred eighty-two billion, two hundred eighty-one million, six hundred thirteen thousand, three hundred eighty-one".