163316065 has 16 divisors (see below), whose sum is σ = 214140096. Its totient is φ = 118584000.

The previous prime is 163316063. The next prime is 163316089. The reversal of 163316065 is 560613361.

It is not a de Polignac number, because 163316065 - 2¹ = 163316063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163316063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38290 + ... + 42340.

It is an arithmetic number, because the mean of its divisors is an integer number (13383756).

Almost surely, 2^163316065 is an apocalyptic number.

It is an amenable number.

163316065 is a deficient number, since it is larger than the sum of its proper divisors (50824031).

163316065 is a wasteful number, since it uses less digits than its factorization.

163316065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 163316065 is about 12779.5174009037. The cubic root of 163316065 is about 546.6084012774.

The spelling of 163316065 in words is "one hundred sixty-three million, three hundred sixteen thousand, sixty-five".