161214307 has 2 divisors, whose sum is σ = 161214308. Its totient is φ = 161214306.

The previous prime is 161214293. The next prime is 161214311. The reversal of 161214307 is 703412161.

It is a strong prime.

It is an emirp because it is prime and its reverse (703412161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161214307 is a prime.

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

It is not a weakly prime, because it can be changed into another prime (161214367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80607153 + 80607154.

It is an arithmetic number, because the mean of its divisors is an integer number (80607154).

Almost surely, 2^161214307 is an apocalyptic number.

161214307 is a deficient number, since it is larger than the sum of its proper divisors (1).

161214307 is an equidigital number, since it uses as much as digits as its factorization.

161214307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 161214307 is about 12697.0196109166. The cubic root of 161214307 is about 544.2534536140.

Adding to 161214307 its reverse (703412161), we get a palindrome (864626468).

The spelling of 161214307 in words is "one hundred sixty-one million, two hundred fourteen thousand, three hundred seven".