8918559208416 has 1152 divisors, whose sum is σ = 29624162835456. Its totient is φ = 2333422080000.

The previous prime is 8918559208411. The next prime is 8918559208421. The reversal of 8918559208416 is 6148029558198.

It is an interprime number because it is at equal distance from previous prime (8918559208411) and next prime (8918559208421).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8918559208411) 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 191 ways as a sum of consecutive naturals, for example, 59063305941 + ... + 59063306091.

It is an arithmetic number, because the mean of its divisors is an integer number (25715419128).

Almost surely, 2^{8918559208416} 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 8918559208416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14812081417728).

8918559208416 is an abundant number, since it is smaller than the sum of its proper divisors (20705603627040).

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

8918559208416 is a wasteful number, since it uses less digits than its factorization.

8918559208416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 66.

The spelling of 8918559208416 in words is "eight trillion, nine hundred eighteen billion, five hundred fifty-nine million, two hundred eight thousand, four hundred sixteen".