161010071 has 2 divisors, whose sum is σ = 161010072. Its totient is φ = 161010070.

The previous prime is 161010067. The next prime is 161010107. The reversal of 161010071 is 170010161.

161010071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (161010107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (170010161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161010071 - 2² = 161010067 is a prime.

It is a Sophie Germain 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 (161010271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80505035 + 80505036.

It is an arithmetic number, because the mean of its divisors is an integer number (80505036).

Almost surely, 2^161010071 is an apocalyptic number.

161010071 is a deficient number, since it is larger than the sum of its proper divisors (1).

161010071 is an equidigital number, since it uses as much as digits as its factorization.

161010071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 161010071 is about 12688.9743872387. The cubic root of 161010071 is about 544.0235254658.

The spelling of 161010071 in words is "one hundred sixty-one million, ten thousand, seventy-one".