16159627146281 has 2 divisors, whose sum is σ = 16159627146282. Its totient is φ = 16159627146280.

The previous prime is 16159627146277. The next prime is 16159627146293. The reversal of 16159627146281 is 18264172695161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13107911635225 + 3051715511056 = 3620485^2 + 1746916^2 .

It is a cyclic number.

It is not a de Polignac number, because 16159627146281 - 2² = 16159627146277 is a prime.

It is a super-2 number, since 2×16159627146281² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16159627146281.

It is not a weakly prime, because it can be changed into another prime (16159627146181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8079813573140 + 8079813573141.

It is an arithmetic number, because the mean of its divisors is an integer number (8079813573141).

Almost surely, 2^{16159627146281} is an apocalyptic number.

It is an amenable number.

16159627146281 is a deficient number, since it is larger than the sum of its proper divisors (1).

16159627146281 is an equidigital number, since it uses as much as digits as its factorization.

16159627146281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 59.

The spelling of 16159627146281 in words is "sixteen trillion, one hundred fifty-nine billion, six hundred twenty-seven million, one hundred forty-six thousand, two hundred eighty-one".