16867003668667 has 32 divisors (see below), whose sum is σ = 18411586156800. Its totient is φ = 15399274580352.

The previous prime is 16867003668661. The next prime is 16867003668673. The reversal of 16867003668667 is 76686630076861.

It is an interprime number because it is at equal distance from previous prime (16867003668661) and next prime (16867003668673).

It is not a de Polignac number, because 16867003668667 - 2¹¹ = 16867003666619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16867003668596 and 16867003668605.

It is not an unprimeable number, because it can be changed into a prime (16867003668661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71950948 + ... + 72184990.

It is an arithmetic number, because the mean of its divisors is an integer number (575362067400).

Almost surely, 2^{16867003668667} is an apocalyptic number.

16867003668667 is a deficient number, since it is larger than the sum of its proper divisors (1544582488133).

16867003668667 is a wasteful number, since it uses less digits than its factorization.

16867003668667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235387.

The product of its (nonzero) digits is 438939648, while the sum is 70.

The spelling of 16867003668667 in words is "sixteen trillion, eight hundred sixty-seven billion, three million, six hundred sixty-eight thousand, six hundred sixty-seven".