64705108608 has 768 divisors, whose sum is σ = 238768128000. Its totient is φ = 16878274560.

The previous prime is 64705108607. The next prime is 64705108619. The reversal of 64705108608 is 80680150746.

It is a happy number.

64705108608 is a `hidden beast` number, since 6 + 4 + 70 + 510 + 8 + 60 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (64705108607) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 270732553 + ... + 270732791.

It is an arithmetic number, because the mean of its divisors is an integer number (310896000).

Almost surely, 2^64705108608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64705108608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119384064000).

64705108608 is an abundant number, since it is smaller than the sum of its proper divisors (174063019392).

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

64705108608 is a wasteful number, since it uses less digits than its factorization.

64705108608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 64705108608 in words is "sixty-four billion, seven hundred five million, one hundred eight thousand, six hundred eight".