64824016 has 20 divisors (see below), whose sum is σ = 126517572. Its totient is φ = 32174336.

The previous prime is 64823989. The next prime is 64824031. The reversal of 64824016 is 61042846.

64824016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22052416 + 42771600 = 4696^2 + 6540^2 .

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, 12595 + ... + 16978.

Almost surely, 2^64824016 is an apocalyptic number.

It is an amenable number.

64824016 is a deficient number, since it is larger than the sum of its proper divisors (61693556).

64824016 is a wasteful number, since it uses less digits than its factorization.

64824016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29718 (or 29712 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 64824016 is about 8051.3362866049. The cubic root of 64824016 is about 401.7093846048.

The spelling of 64824016 in words is "sixty-four million, eight hundred twenty-four thousand, sixteen".