160645603 has 2 divisors, whose sum is σ = 160645604. Its totient is φ = 160645602.

The previous prime is 160645591. The next prime is 160645609. The reversal of 160645603 is 306546061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 160645603 - 2⁹ = 160645091 is a prime.

It is not a weakly prime, because it can be changed into another prime (160645609) 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, 80322801 + 80322802.

It is an arithmetic number, because the mean of its divisors is an integer number (80322802).

Almost surely, 2^160645603 is an apocalyptic number.

160645603 is a deficient number, since it is larger than the sum of its proper divisors (1).

160645603 is an equidigital number, since it uses as much as digits as its factorization.

160645603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 160645603 is about 12674.6046486666. The cubic root of 160645603 is about 543.6127251475.

The spelling of 160645603 in words is "one hundred sixty million, six hundred forty-five thousand, six hundred three".