4056165 has 24 divisors (see below), whose sum is σ = 7338240. Its totient is φ = 2068704.

The previous prime is 4056161. The next prime is 4056179. The reversal of 4056165 is 5616504.

It is a happy number.

4056165 is a `hidden beast` number, since 40 + 5 + 616 + 5 = 666.

It is not a de Polignac number, because 4056165 - 2² = 4056161 is a prime.

It is a Curzon number.

4056165 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 925 + ... + 2994.

It is an arithmetic number, because the mean of its divisors is an integer number (305760).

Almost surely, 2^4056165 is an apocalyptic number.

4056165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4056165 is a deficient number, since it is larger than the sum of its proper divisors (3282075).

4056165 is a wasteful number, since it uses less digits than its factorization.

4056165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4056165 is about 2013.9923038582. The cubic root of 4056165 is about 159.4796244973.

The spelling of 4056165 in words is "four million, fifty-six thousand, one hundred sixty-five".