161010156666167 has 2 divisors, whose sum is σ = 161010156666168. Its totient is φ = 161010156666166.

The previous prime is 161010156666143. The next prime is 161010156666173. The reversal of 161010156666167 is 761666651010161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161010156666167 - 2³⁶ = 160941437189431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161010156666367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80505078333083 + 80505078333084.

It is an arithmetic number, because the mean of its divisors is an integer number (80505078333084).

Almost surely, 2^{161010156666167} is an apocalyptic number.

161010156666167 is a deficient number, since it is larger than the sum of its proper divisors (1).

161010156666167 is an equidigital number, since it uses as much as digits as its factorization.

161010156666167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 161010156666167 in words is "one hundred sixty-one trillion, ten billion, one hundred fifty-six million, six hundred sixty-six thousand, one hundred sixty-seven".