165470 has 8 divisors (see below), whose sum is σ = 297864. Its totient is φ = 66184.

The previous prime is 165469. The next prime is 165479. The reversal of 165470 is 74561.

165470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8264 + ... + 8283.

It is an arithmetic number, because the mean of its divisors is an integer number (37233).

2¹⁶⁵⁴⁷⁰ is an apocalyptic number.

165470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165470 is a deficient number, since it is larger than the sum of its proper divisors (132394).

165470 is a wasteful number, since it uses less digits than its factorization.

165470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16554.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 165470 is about 406.7800388416. The cubic root of 165470 is about 54.9000941159.

Subtracting from 165470 its reverse (74561), we obtain a palindrome (90909).

The spelling of 165470 in words is "one hundred sixty-five thousand, four hundred seventy".