163361065 has 16 divisors (see below), whose sum is σ = 233779968. Its totient is φ = 107148096.

The previous prime is 163361059. The next prime is 163361117. The reversal of 163361065 is 560163361.

163361065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 163361065 - 2³ = 163361057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100662 + ... + 102271.

It is an arithmetic number, because the mean of its divisors is an integer number (14611248).

Almost surely, 2^163361065 is an apocalyptic number.

It is an amenable number.

163361065 is a deficient number, since it is larger than the sum of its proper divisors (70418903).

163361065 is a wasteful number, since it uses less digits than its factorization.

163361065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202968.

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

The square root of 163361065 is about 12781.2779095050. The cubic root of 163361065 is about 546.6586007056.

The spelling of 163361065 in words is "one hundred sixty-three million, three hundred sixty-one thousand, sixty-five".