64204816960 has 56 divisors (see below), whose sum is σ = 152928361656. Its totient is φ = 25675100160.

The previous prime is 64204816931. The next prime is 64204817041. The reversal of 64204816960 is 6961840246.

64204816960 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 4 ways, for example, as 5419584 + 64199397376 = 2328^2 + 253376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64204816960.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278730 + ... + 1327990.

It is an arithmetic number, because the mean of its divisors is an integer number (2730863601).

Almost surely, 2^64204816960 is an apocalyptic number.

It is an amenable number.

64204816960 is an abundant number, since it is smaller than the sum of its proper divisors (88723544696).

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

64204816960 is a wasteful number, since it uses less digits than its factorization.

64204816960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53351 (or 53341 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 64204816960 in words is "sixty-four billion, two hundred four million, eight hundred sixteen thousand, nine hundred sixty".