4065675165 has 24 divisors (see below), whose sum is σ = 7082958168. Its totient is φ = 2157348480.

The previous prime is 4065675149. The next prime is 4065675199. The reversal of 4065675165 is 5615765604.

It can be written as a sum of positive squares in 4 ways, for example, as 574992441 + 3490682724 = 23979^2 + 59082^2 .

It is not a de Polignac number, because 4065675165 - 2⁴ = 4065675149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4065675165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220446 + ... + 238175.

It is an arithmetic number, because the mean of its divisors is an integer number (295123257).

Almost surely, 2^4065675165 is an apocalyptic number.

4065675165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4065675165 is a deficient number, since it is larger than the sum of its proper divisors (3017283003).

4065675165 is a wasteful number, since it uses less digits than its factorization.

4065675165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458829 (or 458826 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 4065675165 is about 63762.6470984384. The cubic root of 4065675165 is about 1596.0416691120.

The spelling of 4065675165 in words is "four billion, sixty-five million, six hundred seventy-five thousand, one hundred sixty-five".