10002165 has 8 divisors (see below), whose sum is σ = 16003488. Its totient is φ = 5334480.

The previous prime is 10002149. The next prime is 10002191. The reversal of 10002165 is 56120001.

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

It is not a de Polignac number, because 10002165 - 2⁴ = 10002149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 666811 = 10002165 / (1 + 0 + 0 + 0 + 2 + 1 + 6 + 5).

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, 333391 + ... + 333420.

It is an arithmetic number, because the mean of its divisors is an integer number (2000436).

Almost surely, 2^10002165 is an apocalyptic number.

10002165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10002165 is a deficient number, since it is larger than the sum of its proper divisors (6001323).

10002165 is an equidigital number, since it uses as much as digits as its factorization.

10002165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666819.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 10002165 is about 3162.6199581992. The cubic root of 10002165 is about 215.4590157183.

Adding to 10002165 its reverse (56120001), we get a palindrome (66122166).

The spelling of 10002165 in words is "ten million, two thousand, one hundred sixty-five".