161214071 has 2 divisors, whose sum is σ = 161214072. Its totient is φ = 161214070.

The previous prime is 161214047. The next prime is 161214083. The reversal of 161214071 is 170412161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161214071 - 2¹⁰ = 161213047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161214671) 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, 80607035 + 80607036.

It is an arithmetic number, because the mean of its divisors is an integer number (80607036).

Almost surely, 2^161214071 is an apocalyptic number.

161214071 is a deficient number, since it is larger than the sum of its proper divisors (1).

161214071 is an equidigital number, since it uses as much as digits as its factorization.

161214071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 161214071 is about 12697.0103173936. The cubic root of 161214071 is about 544.2531880381.

The spelling of 161214071 in words is "one hundred sixty-one million, two hundred fourteen thousand, seventy-one".