10163665 has 4 divisors (see below), whose sum is σ = 12196404. Its totient is φ = 8130928.

The previous prime is 10163653. The next prime is 10163669. The reversal of 10163665 is 56636101.

10163665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2634129 + 7529536 = 1623^2 + 2744^2 .

It is a cyclic number.

It is not a de Polignac number, because 10163665 - 2⁵ = 10163633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10163669) 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, 1016362 + ... + 1016371.

It is an arithmetic number, because the mean of its divisors is an integer number (3049101).

Almost surely, 2^10163665 is an apocalyptic number.

It is an amenable number.

10163665 is a deficient number, since it is larger than the sum of its proper divisors (2032739).

10163665 is an equidigital number, since it uses as much as digits as its factorization.

10163665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032738.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 10163665 is about 3188.0503446464. The cubic root of 10163665 is about 216.6124663901.

Adding to 10163665 its reverse (56636101), we get a palindrome (66799766).

The spelling of 10163665 in words is "ten million, one hundred sixty-three thousand, six hundred sixty-five".