9910165 has 4 divisors (see below), whose sum is σ = 11892204. Its totient is φ = 7928128.

The previous prime is 9910157. The next prime is 9910181. The reversal of 9910165 is 5610199.

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 4485924 + 5424241 = 2118^2 + 2329^2 .

It is a cyclic number.

It is not a de Polignac number, because 9910165 - 2³ = 9910157 is a prime.

It is a super-2 number, since 2×9910165² = 196422740654450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

9910165 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991012 + ... + 991021.

It is an arithmetic number, because the mean of its divisors is an integer number (2973051).

Almost surely, 2^9910165 is an apocalyptic number.

It is an amenable number.

9910165 is a deficient number, since it is larger than the sum of its proper divisors (1982039).

9910165 is a wasteful number, since it uses less digits than its factorization.

9910165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982038.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 9910165 is about 3148.0414546190. The cubic root of 9910165 is about 214.7963819473.

The spelling of 9910165 in words is "nine million, nine hundred ten thousand, one hundred sixty-five".