64018065 has 16 divisors (see below), whose sum is σ = 102529728. Its totient is φ = 34109376.

The previous prime is 64018063. The next prime is 64018081. The reversal of 64018065 is 56081046.

64018065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64018065 - 2¹ = 64018063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64018061) 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 15 ways as a sum of consecutive naturals, for example, 24607 + ... + 27083.

It is an arithmetic number, because the mean of its divisors is an integer number (6408108).

Almost surely, 2^64018065 is an apocalyptic number.

It is an amenable number.

64018065 is a deficient number, since it is larger than the sum of its proper divisors (38511663).

64018065 is a wasteful number, since it uses less digits than its factorization.

64018065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 64018065 is about 8001.1289828374. The cubic root of 64018065 is about 400.0376318762.

The spelling of 64018065 in words is "sixty-four million, eighteen thousand, sixty-five".