165065485 has 8 divisors (see below), whose sum is σ = 213315480. Its totient is φ = 121894464.

The previous prime is 165065449. The next prime is 165065489. The reversal of 165065485 is 584560561.

It can be written as a sum of positive squares in 4 ways, for example, as 5851561 + 159213924 = 2419^2 + 12618^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 165065485 - 2⁷ = 165065357 is a prime.

It is a super-2 number, since 2×165065485² = 54493228676570450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165065489) 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, 1269670 + ... + 1269799.

It is an arithmetic number, because the mean of its divisors is an integer number (26664435).

Almost surely, 2^165065485 is an apocalyptic number.

It is an amenable number.

165065485 is a deficient number, since it is larger than the sum of its proper divisors (48249995).

165065485 is a wasteful number, since it uses less digits than its factorization.

165065485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539487.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 165065485 is about 12847.7813259722. The cubic root of 165065485 is about 548.5532057587.

The spelling of 165065485 in words is "one hundred sixty-five million, sixty-five thousand, four hundred eighty-five".