161296327 has 2 divisors, whose sum is σ = 161296328. Its totient is φ = 161296326.

The previous prime is 161296319. The next prime is 161296349. The reversal of 161296327 is 723692161.

It is a weak prime.

It is an emirp because it is prime and its reverse (723692161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161296327 - 2³ = 161296319 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161296427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80648163 + 80648164.

It is an arithmetic number, because the mean of its divisors is an integer number (80648164).

Almost surely, 2^161296327 is an apocalyptic number.

161296327 is a deficient number, since it is larger than the sum of its proper divisors (1).

161296327 is an equidigital number, since it uses as much as digits as its factorization.

161296327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 161296327 is about 12700.2490920454. The cubic root of 161296327 is about 544.3457367802.

The spelling of 161296327 in words is "one hundred sixty-one million, two hundred ninety-six thousand, three hundred twenty-seven".