64566465 has 16 divisors (see below), whose sum is σ = 108744000. Its totient is φ = 32622912.

The previous prime is 64566457. The next prime is 64566479. The reversal of 64566465 is 56466546.

It is a happy number.

64566465 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 64566465 - 2³ = 64566457 is a prime.

It is a Curzon number.

It is an unprimeable number.

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, 112990 + ... + 113559.

It is an arithmetic number, because the mean of its divisors is an integer number (6796500).

Almost surely, 2^64566465 is an apocalyptic number.

It is an amenable number.

64566465 is a deficient number, since it is larger than the sum of its proper divisors (44177535).

64566465 is a wasteful number, since it uses less digits than its factorization.

64566465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226576.

The product of its digits is 518400, while the sum is 42.

The square root of 64566465 is about 8035.3260668127. The cubic root of 64566465 is about 401.1766706381.

It can be divided in two parts, 6456 and 6465, that added together give a palindrome (12921).

The spelling of 64566465 in words is "sixty-four million, five hundred sixty-six thousand, four hundred sixty-five".