68098055256 has 192 divisors, whose sum is σ = 233092753920. Its totient is φ = 17445404160.

The previous prime is 68098055237. The next prime is 68098055281. The reversal of 68098055256 is 65255089086.

68098055256 is a `hidden beast` number, since 6 + 8 + 0 + 9 + 80 + 552 + 5 + 6 = 666.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 320581 + ... + 488843.

It is an arithmetic number, because the mean of its divisors is an integer number (1214024760).

Almost surely, 2^68098055256 is an apocalyptic number.

68098055256 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 68098055256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116546376960).

68098055256 is an abundant number, since it is smaller than the sum of its proper divisors (164994698664).

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

68098055256 is a wasteful number, since it uses less digits than its factorization.

68098055256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168366 (or 168359 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 68098055256 in words is "sixty-eight billion, ninety-eight million, fifty-five thousand, two hundred fifty-six".