6464165 has 16 divisors (see below), whose sum is σ = 8298288. Its totient is φ = 4816896.

The previous prime is 6464153. The next prime is 6464167. The reversal of 6464165 is 5614646.

It can be written as a sum of positive squares in 8 ways, for example, as 708964 + 5755201 = 842^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 6464165 - 2⁸ = 6463909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464167) 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, 9269 + ... + 9941.

It is an arithmetic number, because the mean of its divisors is an integer number (518643).

Almost surely, 2^6464165 is an apocalyptic number.

It is an amenable number.

6464165 is a deficient number, since it is larger than the sum of its proper divisors (1834123).

6464165 is a wasteful number, since it uses less digits than its factorization.

6464165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its digits is 17280, while the sum is 32.

The square root of 6464165 is about 2542.4722220705. The cubic root of 6464165 is about 186.2819652957.

The spelling of 6464165 in words is "six million, four hundred sixty-four thousand, one hundred sixty-five".