64216960704 has 504 divisors, whose sum is σ = 211053194352. Its totient is φ = 19344199680.

The previous prime is 64216960699. The next prime is 64216960763. The reversal of 64216960704 is 40706961246.

It is a self number, because there is not a number n which added to its sum of digits gives 64216960704.

It is an unprimeable number.

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 in 71 ways as a sum of consecutive naturals, for example, 139299034 + ... + 139299494.

It is an arithmetic number, because the mean of its divisors is an integer number (418756338).

Almost surely, 2^64216960704 is an apocalyptic number.

64216960704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64216960704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105526597176).

64216960704 is an abundant number, since it is smaller than the sum of its proper divisors (146836233648).

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

64216960704 is a wasteful number, since it uses less digits than its factorization.

64216960704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 64216960704 in words is "sixty-four billion, two hundred sixteen million, nine hundred sixty thousand, seven hundred four".