163445065 has 16 divisors (see below), whose sum is σ = 229622400. Its totient is φ = 109342080.

The previous prime is 163445041. The next prime is 163445077. The reversal of 163445065 is 560544361.

It is not a de Polignac number, because 163445065 - 2⁵ = 163445033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163445065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55515 + ... + 58384.

It is an arithmetic number, because the mean of its divisors is an integer number (14351400).

Almost surely, 2^163445065 is an apocalyptic number.

It is an amenable number.

163445065 is a deficient number, since it is larger than the sum of its proper divisors (66177335).

163445065 is a wasteful number, since it uses less digits than its factorization.

163445065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113952.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 163445065 is about 12784.5635435865. The cubic root of 163445065 is about 546.7522816451.

The spelling of 163445065 in words is "one hundred sixty-three million, four hundred forty-five thousand, sixty-five".