163306065 has 16 divisors (see below), whose sum is σ = 281389248. Its totient is φ = 80396736.

The previous prime is 163306061. The next prime is 163306067. The reversal of 163306065 is 560603361.

It is not a de Polignac number, because 163306065 - 2² = 163306061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163306061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418539 + ... + 418928.

It is an arithmetic number, because the mean of its divisors is an integer number (17586828).

Almost surely, 2^163306065 is an apocalyptic number.

163306065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163306065 is a deficient number, since it is larger than the sum of its proper divisors (118083183).

163306065 is a wasteful number, since it uses less digits than its factorization.

163306065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837488.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 163306065 is about 12779.1261438332. The cubic root of 163306065 is about 546.5972445967.

The spelling of 163306065 in words is "one hundred sixty-three million, three hundred six thousand, sixty-five".