16128950671843 has 2 divisors, whose sum is σ = 16128950671844. Its totient is φ = 16128950671842.

The previous prime is 16128950671679. The next prime is 16128950671871. The reversal of 16128950671843 is 34817605982161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16128950671843 - 2²¹ = 16128948574691 is a prime.

It is a super-2 number, since 2×16128950671843² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16128950674843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8064475335921 + 8064475335922.

It is an arithmetic number, because the mean of its divisors is an integer number (8064475335922).

It is a 2-persistent number, because it is pandigital, and so is 2⋅16128950671843 = 32257901343686, but 3⋅16128950671843 = 48386852015529 is not.

Almost surely, 2^{16128950671843} is an apocalyptic number.

16128950671843 is a deficient number, since it is larger than the sum of its proper divisors (1).

16128950671843 is an equidigital number, since it uses as much as digits as its factorization.

16128950671843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 16128950671843 in words is "sixteen trillion, one hundred twenty-eight billion, nine hundred fifty million, six hundred seventy-one thousand, eight hundred forty-three".