165560067 has 6 divisors (see below), whose sum is σ = 239142332. Its totient is φ = 110373372.

The previous prime is 165560051. The next prime is 165560069. The reversal of 165560067 is 760065561.

It is a happy number.

It is not a de Polignac number, because 165560067 - 2⁴ = 165560051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165560069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9197773 + ... + 9197790.

Almost surely, 2^165560067 is an apocalyptic number.

165560067 is a deficient number, since it is larger than the sum of its proper divisors (73582265).

165560067 is a wasteful number, since it uses less digits than its factorization.

165560067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18395569 (or 18395566 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 165560067 is about 12867.0146887302. The cubic root of 165560067 is about 549.1005320191.

The spelling of 165560067 in words is "one hundred sixty-five million, five hundred sixty thousand, sixty-seven".