16128950671679 has 2 divisors, whose sum is σ = 16128950671680. Its totient is φ = 16128950671678.

The previous prime is 16128950671667. The next prime is 16128950671843. The reversal of 16128950671679 is 97617605982161.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (97617605982161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16128950671679 - 2⁸ = 16128950671423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16128950671279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8064475335839 + 8064475335840.

It is an arithmetic number, because the mean of its divisors is an integer number (8064475335840).

Almost surely, 2^{16128950671679} is an apocalyptic number.

16128950671679 is a deficient number, since it is larger than the sum of its proper divisors (1).

16128950671679 is an equidigital number, since it uses as much as digits as its factorization.

16128950671679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68584320, while the sum is 68.

The spelling of 16128950671679 in words is "sixteen trillion, one hundred twenty-eight billion, nine hundred fifty million, six hundred seventy-one thousand, six hundred seventy-nine".