10165565 has 8 divisors (see below), whose sum is σ = 12528600. Its totient is φ = 7912512.

The previous prime is 10165543. The next prime is 10165577. The reversal of 10165565 is 56556101.

It can be written as a sum of positive squares in 4 ways, for example, as 1951609 + 8213956 = 1397^2 + 2866^2 .

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 10165565 - 2¹⁰ = 10164541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27290 + ... + 27659.

It is an arithmetic number, because the mean of its divisors is an integer number (1566075).

Almost surely, 2^10165565 is an apocalyptic number.

It is an amenable number.

10165565 is a deficient number, since it is larger than the sum of its proper divisors (2363035).

10165565 is an equidigital number, since it uses as much as digits as its factorization.

10165565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54991.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 10165565 is about 3188.3483184872. The cubic root of 10165565 is about 216.6259634256.

The spelling of 10165565 in words is "ten million, one hundred sixty-five thousand, five hundred sixty-five".