64360968320 has 128 divisors (see below), whose sum is σ = 167975786880. Its totient is φ = 23386521600.

The previous prime is 64360968317. The next prime is 64360968341. The reversal of 64360968320 is 2386906346.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 12887744 + ... + 12892736.

It is an arithmetic number, because the mean of its divisors is an integer number (1312310835).

Almost surely, 2^64360968320 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 64360968320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83987893440).

64360968320 is an abundant number, since it is smaller than the sum of its proper divisors (103614818560).

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

64360968320 is a wasteful number, since it uses less digits than its factorization.

64360968320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854 (or 6842 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 64360968320 in words is "sixty-four billion, three hundred sixty million, nine hundred sixty-eight thousand, three hundred twenty".