161314507 has 2 divisors, whose sum is σ = 161314508. Its totient is φ = 161314506.

The previous prime is 161314477. The next prime is 161314529. The reversal of 161314507 is 705413161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161314507 - 2⁷ = 161314379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (161314537) 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, 80657253 + 80657254.

It is an arithmetic number, because the mean of its divisors is an integer number (80657254).

Almost surely, 2^161314507 is an apocalyptic number.

161314507 is a deficient number, since it is larger than the sum of its proper divisors (1).

161314507 is an equidigital number, since it uses as much as digits as its factorization.

161314507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 161314507 is about 12700.9648058720. The cubic root of 161314507 is about 544.3661874085.

Adding to 161314507 its reverse (705413161), we get a palindrome (866727668).

The spelling of 161314507 in words is "one hundred sixty-one million, three hundred fourteen thousand, five hundred seven".