64418888963616 has 192 divisors, whose sum is σ = 186026001307776. Its totient is φ = 19517814666240.

The previous prime is 64418888963609. The next prime is 64418888963621. The reversal of 64418888963616 is 61636988881446.

64418888963616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 894012646 + ... + 894084698.

It is an arithmetic number, because the mean of its divisors is an integer number (968885423478).

Almost surely, 2^{64418888963616} is an apocalyptic number.

64418888963616 is a gapful number since it is divisible by the number (66) 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 64418888963616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93013000653888).

64418888963616 is an abundant number, since it is smaller than the sum of its proper divisors (121607112344160).

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

64418888963616 is a wasteful number, since it uses less digits than its factorization.

64418888963616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79096 (or 79066 counting only the distinct ones).

The product of its digits is 2293235712, while the sum is 78.

The spelling of 64418888963616 in words is "sixty-four trillion, four hundred eighteen billion, eight hundred eighty-eight million, nine hundred sixty-three thousand, six hundred sixteen".