4016165 has 16 divisors (see below), whose sum is σ = 5244912. Its totient is φ = 2939904.

The previous prime is 4016161. The next prime is 4016167. The reversal of 4016165 is 5616104.

It can be written as a sum of positive squares in 8 ways, for example, as 564001 + 3452164 = 751^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 4016165 - 2² = 4016161 is a prime.

It is a super-2 number, since 2×4016165² = 32259162614450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4016165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4016161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2507 + ... + 3783.

It is an arithmetic number, because the mean of its divisors is an integer number (327807).

Almost surely, 2^4016165 is an apocalyptic number.

It is an amenable number.

4016165 is a deficient number, since it is larger than the sum of its proper divisors (1228747).

4016165 is a wasteful number, since it uses less digits than its factorization.

4016165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4016165 is about 2004.0371753039. The cubic root of 4016165 is about 158.9536539367.

The spelling of 4016165 in words is "four million, sixteen thousand, one hundred sixty-five".