160997597 has 2 divisors, whose sum is σ = 160997598. Its totient is φ = 160997596.

The previous prime is 160997537. The next prime is 160997671. The reversal of 160997597 is 795799061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160934596 + 63001 = 12686^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 160997597 - 2¹² = 160993501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160997527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80498798 + 80498799.

It is an arithmetic number, because the mean of its divisors is an integer number (80498799).

Almost surely, 2^160997597 is an apocalyptic number.

It is an amenable number.

160997597 is a deficient number, since it is larger than the sum of its proper divisors (1).

160997597 is an equidigital number, since it uses as much as digits as its factorization.

160997597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1071630, while the sum is 53.

The square root of 160997597 is about 12688.4828486309. The cubic root of 160997597 is about 544.0094759829.

The spelling of 160997597 in words is "one hundred sixty million, nine hundred ninety-seven thousand, five hundred ninety-seven".