64060864056 has 192 divisors, whose sum is σ = 209085676800. Its totient is φ = 17309376000.

The previous prime is 64060864051. The next prime is 64060864067. The reversal of 64060864056 is 65046806046.

It is a super-2 number, since 2×64060864056² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64060864051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5749611 + ... + 5760741.

It is an arithmetic number, because the mean of its divisors is an integer number (1088987900).

Almost surely, 2^64060864056 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 64060864056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104542838400).

64060864056 is an abundant number, since it is smaller than the sum of its proper divisors (145024812744).

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

64060864056 is a wasteful number, since it uses less digits than its factorization.

64060864056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770 (or 11763 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 64060864056 in words is "sixty-four billion, sixty million, eight hundred sixty-four thousand, fifty-six".