64584664 has 8 divisors (see below), whose sum is σ = 121096260. Its totient is φ = 32292328.

The previous prime is 64584661. The next prime is 64584671. The reversal of 64584664 is 46648546.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 64584664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64584661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4036534 + ... + 4036549.

Almost surely, 2^64584664 is an apocalyptic number.

It is an amenable number.

64584664 is a deficient number, since it is larger than the sum of its proper divisors (56511596).

64584664 is a wasteful number, since it uses less digits than its factorization.

64584664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073089 (or 8073085 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The square root of 64584664 is about 8036.4584239577. The cubic root of 64584664 is about 401.2143595961.

The spelling of 64584664 in words is "sixty-four million, five hundred eighty-four thousand, six hundred sixty-four".