64108128960 has 336 divisors, whose sum is σ = 232925721600. Its totient is φ = 16158320640.

The previous prime is 64108128947. The next prime is 64108128971. The reversal of 64108128960 is 6982180146.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 3830691 + ... + 3847389.

Almost surely, 2^64108128960 is an apocalyptic number.

64108128960 is a gapful number since it is divisible by the number (60) 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 64108128960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116462860800).

64108128960 is an abundant number, since it is smaller than the sum of its proper divisors (168817592640).

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

64108128960 is a wasteful number, since it uses less digits than its factorization.

64108128960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16796 (or 16783 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 64108128960 in words is "sixty-four billion, one hundred eight million, one hundred twenty-eight thousand, nine hundred sixty".