64465536 has 32 divisors (see below), whose sum is σ = 171237600. Its totient is φ = 21488384.

The previous prime is 64465451. The next prime is 64465589. The reversal of 64465536 is 63556446.

64465536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 64465494 and 64465503.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 83556 + ... + 84323.

It is an arithmetic number, because the mean of its divisors is an integer number (5351175).

Almost surely, 2^64465536 is an apocalyptic number.

It is an amenable number.

64465536 is an abundant number, since it is smaller than the sum of its proper divisors (106772064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64465536 is a wasteful number, since it uses less digits than its factorization.

64465536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167896 (or 167884 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 64465536 is about 8029.0432804911. The cubic root of 64465536 is about 400.9675245205.

The spelling of 64465536 in words is "sixty-four million, four hundred sixty-five thousand, five hundred thirty-six".