160997233 has 2 divisors, whose sum is σ = 160997234. Its totient is φ = 160997232.

The previous prime is 160997227. The next prime is 160997237. The reversal of 160997233 is 332799061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139901584 + 21095649 = 11828^2 + 4593^2 .

It is a cyclic number.

It is not a de Polignac number, because 160997233 - 2⁹ = 160996721 is a prime.

It is not a weakly prime, because it can be changed into another prime (160997237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80498616 + 80498617.

It is an arithmetic number, because the mean of its divisors is an integer number (80498617).

Almost surely, 2^160997233 is an apocalyptic number.

It is an amenable number.

160997233 is a deficient number, since it is larger than the sum of its proper divisors (1).

160997233 is an equidigital number, since it uses as much as digits as its factorization.

160997233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 160997233 is about 12688.4685049063. The cubic root of 160997233 is about 544.0090659983.

It can be divided in two parts, 16099 and 7233, that added together give a palindrome (23332).

The spelling of 160997233 in words is "one hundred sixty million, nine hundred ninety-seven thousand, two hundred thirty-three".