163306165 has 16 divisors (see below), whose sum is σ = 226359360. Its totient is φ = 111781120.

The previous prime is 163306151. The next prime is 163306201. The reversal of 163306165 is 561603361.

It is not a de Polignac number, because 163306165 - 2¹³ = 163297973 is a prime.

It is a congruent 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, 86395 + ... + 88264.

It is an arithmetic number, because the mean of its divisors is an integer number (14147460).

Almost surely, 2^163306165 is an apocalyptic number.

It is an amenable number.

163306165 is a deficient number, since it is larger than the sum of its proper divisors (63053195).

163306165 is a wasteful number, since it uses less digits than its factorization.

163306165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174692.

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

The square root of 163306165 is about 12779.1300564632. The cubic root of 163306165 is about 546.5973561657.

The spelling of 163306165 in words is "one hundred sixty-three million, three hundred six thousand, one hundred sixty-five".