64043316 has 36 divisors (see below), whose sum is σ = 168928032. Its totient is φ = 20419344.

The previous prime is 64043311. The next prime is 64043323. The reversal of 64043316 is 61334046.

64043316 is a `hidden beast` number, since 640 + 4 + 3 + 3 + 16 = 666.

64043316 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 (36).

It is a self number, because there is not a number n which added to its sum of digits gives 64043316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64043311) 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 11 ways as a sum of consecutive naturals, for example, 37846 + ... + 39501.

Almost surely, 2^64043316 is an apocalyptic number.

It is an amenable number.

64043316 is an abundant number, since it is smaller than the sum of its proper divisors (104884716).

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

64043316 is a wasteful number, since it uses less digits than its factorization.

64043316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77380 (or 77375 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 64043316 is about 8002.7067920798. The cubic root of 64043316 is about 400.0902213154.

It can be divided in two parts, 640 and 43316, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 64043316 in words is "sixty-four million, forty-three thousand, three hundred sixteen".