8555297683968 has 640 divisors, whose sum is σ = 30851453952000. Its totient is φ = 2286367948800.

The previous prime is 8555297683967. The next prime is 8555297683981. The reversal of 8555297683968 is 8693867925558.

It is a happy number.

8555297683968 is a `hidden beast` number, since 8 + 5 + 5 + 529 + 7 + 6 + 83 + 9 + 6 + 8 = 666.

It is a super-2 number, since 2×8555297683968² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8555297683967) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145219318 + ... + 145278218.

It is an arithmetic number, because the mean of its divisors is an integer number (48205396800).

Almost surely, 2^{8555297683968} 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 8555297683968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15425726976000).

8555297683968 is an abundant number, since it is smaller than the sum of its proper divisors (22296156268032).

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

8555297683968 is a wasteful number, since it uses less digits than its factorization.

8555297683968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59033 (or 59011 counting only the distinct ones).

The product of its digits is 7838208000, while the sum is 81.

The spelling of 8555297683968 in words is "eight trillion, five hundred fifty-five billion, two hundred ninety-seven million, six hundred eighty-three thousand, nine hundred sixty-eight".