161073671713 has 2 divisors, whose sum is σ = 161073671714. Its totient is φ = 161073671712.

The previous prime is 161073671687. The next prime is 161073671719. The reversal of 161073671713 is 317176370161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105796019169 + 55277652544 = 325263^2 + 235112^2 .

It is a cyclic number.

It is not a de Polignac number, because 161073671713 - 2⁹ = 161073671201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161073671713.

It is not a weakly prime, because it can be changed into another prime (161073671719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80536835856 + 80536835857.

It is an arithmetic number, because the mean of its divisors is an integer number (80536835857).

Almost surely, 2^161073671713 is an apocalyptic number.

It is an amenable number.

161073671713 is a deficient number, since it is larger than the sum of its proper divisors (1).

161073671713 is an equidigital number, since it uses as much as digits as its factorization.

161073671713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 43.

The spelling of 161073671713 in words is "one hundred sixty-one billion, seventy-three million, six hundred seventy-one thousand, seven hundred thirteen".