16851836836867 has 2 divisors, whose sum is σ = 16851836836868. Its totient is φ = 16851836836866.

The previous prime is 16851836836859. The next prime is 16851836836949. The reversal of 16851836836867 is 76863863815861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16851836836867 - 2³ = 16851836836859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16851836836793 and 16851836836802.

It is not a weakly prime, because it can be changed into another prime (16851836836837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8425918418433 + 8425918418434.

It is an arithmetic number, because the mean of its divisors is an integer number (8425918418434).

Almost surely, 2^{16851836836867} is an apocalyptic number.

16851836836867 is a deficient number, since it is larger than the sum of its proper divisors (1).

16851836836867 is an equidigital number, since it uses as much as digits as its factorization.

16851836836867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1672151040, while the sum is 76.

The spelling of 16851836836867 in words is "sixteen trillion, eight hundred fifty-one billion, eight hundred thirty-six million, eight hundred thirty-six thousand, eight hundred sixty-seven".