8555061056016 has 160 divisors (see below), whose sum is σ = 23849279262720. Its totient is φ = 2632815618048.

The previous prime is 8555061055927. The next prime is 8555061056029. The reversal of 8555061056016 is 6106501605558.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 31 ways as a sum of consecutive naturals, for example, 12739245 + ... + 13393971.

It is an arithmetic number, because the mean of its divisors is an integer number (149057995392).

Almost surely, 2^{8555061056016} 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 8555061056016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11924639631360).

8555061056016 is an abundant number, since it is smaller than the sum of its proper divisors (15294218206704).

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

8555061056016 is a wasteful number, since it uses less digits than its factorization.

8555061056016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655061 (or 655055 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 48.

The spelling of 8555061056016 in words is "eight trillion, five hundred fifty-five billion, sixty-one million, fifty-six thousand, sixteen".