16260165 has 12 divisors (see below), whose sum is σ = 28184364. Its totient is φ = 8672064.

The previous prime is 16260161. The next prime is 16260173. The reversal of 16260165 is 56106261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2842596 + 13417569 = 1686^2 + 3663^2 .

It is not a de Polignac number, because 16260165 - 2² = 16260161 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16260161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180624 + ... + 180713.

It is an arithmetic number, because the mean of its divisors is an integer number (2348697).

Almost surely, 2^16260165 is an apocalyptic number.

16260165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16260165 is a deficient number, since it is larger than the sum of its proper divisors (11924199).

16260165 is a wasteful number, since it uses less digits than its factorization.

16260165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361348 (or 361345 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 16260165 is about 4032.3894901163. The cubic root of 16260165 is about 253.3426541277.

The spelling of 16260165 in words is "sixteen million, two hundred sixty thousand, one hundred sixty-five".