16128950671667 has 2 divisors, whose sum is σ = 16128950671668. Its totient is φ = 16128950671666.

The previous prime is 16128950671601. The next prime is 16128950671679. The reversal of 16128950671667 is 76617605982161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16128950671667 - 2⁸ = 16128950671411 is a prime.

It is not a weakly prime, because it can be changed into another prime (16128950670667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8064475335833 + 8064475335834.

It is an arithmetic number, because the mean of its divisors is an integer number (8064475335834).

Almost surely, 2^{16128950671667} is an apocalyptic number.

16128950671667 is a deficient number, since it is larger than the sum of its proper divisors (1).

16128950671667 is an equidigital number, since it uses as much as digits as its factorization.

16128950671667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45722880, while the sum is 65.

The spelling of 16128950671667 in words is "sixteen trillion, one hundred twenty-eight billion, nine hundred fifty million, six hundred seventy-one thousand, six hundred sixty-seven".