161065552320307 has 2 divisors, whose sum is σ = 161065552320308. Its totient is φ = 161065552320306.

The previous prime is 161065552320247. The next prime is 161065552320353. The reversal of 161065552320307 is 703023255560161.

It is an a-pointer prime, because the next prime (161065552320353) can be obtained adding 161065552320307 to its sum of digits (46).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161065552320307 - 2³⁹ = 160515796506419 is a prime.

It is a super-2 number, since 2×161065552320307² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (161065552329307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80532776160153 + 80532776160154.

It is an arithmetic number, because the mean of its divisors is an integer number (80532776160154).

Almost surely, 2^{161065552320307} is an apocalyptic number.

161065552320307 is a deficient number, since it is larger than the sum of its proper divisors (1).

161065552320307 is an equidigital number, since it uses as much as digits as its factorization.

161065552320307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 161065552320307 in words is "one hundred sixty-one trillion, sixty-five billion, five hundred fifty-two million, three hundred twenty thousand, three hundred seven".