160997 has 2 divisors, whose sum is σ = 160998. Its totient is φ = 160996.

The previous prime is 160981. The next prime is 161009. The reversal of 160997 is 799061.

160997 is nontrivially palindromic in base 13.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160801 + 196 = 401^2 + 14^2 .

It is an emirp because it is prime and its reverse (799061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160997 - 2⁴ = 160981 is a prime.

It is a Chen prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 160997.

It is not a weakly prime, because it can be changed into another prime (160907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80498 + 80499.

It is an arithmetic number, because the mean of its divisors is an integer number (80499).

2¹⁶⁰⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

160997 is a deficient number, since it is larger than the sum of its proper divisors (1).

160997 is an equidigital number, since it uses as much as digits as its factorization.

160997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 160997 is about 401.2443146015. The cubic root of 160997 is about 54.4008803563.

The spelling of 160997 in words is "one hundred sixty thousand, nine hundred ninety-seven".