161795979067 has 2 divisors, whose sum is σ = 161795979068. Its totient is φ = 161795979066.

The previous prime is 161795979047. The next prime is 161795979077. The reversal of 161795979067 is 760979597161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161795979067 - 2³⁵ = 127436240699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161795978993 and 161795979011.

It is not a weakly prime, because it can be changed into another prime (161795979047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80897989533 + 80897989534.

It is an arithmetic number, because the mean of its divisors is an integer number (80897989534).

Almost surely, 2^161795979067 is an apocalyptic number.

161795979067 is a deficient number, since it is larger than the sum of its proper divisors (1).

161795979067 is an equidigital number, since it uses as much as digits as its factorization.

161795979067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45008460, while the sum is 67.

The spelling of 161795979067 in words is "one hundred sixty-one billion, seven hundred ninety-five million, nine hundred seventy-nine thousand, sixty-seven".