64505316 has 12 divisors (see below), whose sum is σ = 150512432. Its totient is φ = 21501768.

The previous prime is 64505281. The next prime is 64505333. The reversal of 64505316 is 61350546.

64505316 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 (12).

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, 2687710 + ... + 2687733.

Almost surely, 2^64505316 is an apocalyptic number.

It is an amenable number.

64505316 is an abundant number, since it is smaller than the sum of its proper divisors (86007116).

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

64505316 is a wasteful number, since it uses less digits than its factorization.

64505316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375450 (or 5375448 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 64505316 is about 8031.5201549893. The cubic root of 64505316 is about 401.0499830938.

The spelling of 64505316 in words is "sixty-four million, five hundred five thousand, three hundred sixteen".