68297227955136 has 168 divisors, whose sum is σ = 197804079036720. Its totient is φ = 22528683196416.

The previous prime is 68297227955111. The next prime is 68297227955191. The reversal of 68297227955136 is 63155972279286.

68297227955136 is a `hidden beast` number, since 6 + 8 + 297 + 2 + 279 + 55 + 13 + 6 = 666.

It is a super-3 number, since 3×68297227955136³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56659710 + ... + 57852546.

Almost surely, 2^{68297227955136} 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 68297227955136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98902039518360).

68297227955136 is an abundant number, since it is smaller than the sum of its proper divisors (129506851081584).

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

68297227955136 is a wasteful number, since it uses less digits than its factorization.

68297227955136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193891 (or 1193878 counting only the distinct ones).

The product of its digits is 685843200, while the sum is 72.

The spelling of 68297227955136 in words is "sixty-eight trillion, two hundred ninety-seven billion, two hundred twenty-seven million, nine hundred fifty-five thousand, one hundred thirty-six".