165059473 has 8 divisors (see below), whose sum is σ = 168745896. Its totient is φ = 161404800.

The previous prime is 165059449. The next prime is 165059483. The reversal of 165059473 is 374950561.

It can be written as a sum of positive squares in 4 ways, for example, as 67108864 + 97950609 = 8192^2 + 9897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165059473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165059483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733 + ... + 18373.

It is an arithmetic number, because the mean of its divisors is an integer number (21093237).

Almost surely, 2^165059473 is an apocalyptic number.

It is an amenable number.

165059473 is a deficient number, since it is larger than the sum of its proper divisors (3686423).

165059473 is a wasteful number, since it uses less digits than its factorization.

165059473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15875.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 165059473 is about 12847.5473534835. The cubic root of 165059473 is about 548.5465458930.

The spelling of 165059473 in words is "one hundred sixty-five million, fifty-nine thousand, four hundred seventy-three".