68891662740096 has 1280 divisors, whose sum is σ = 248261356062720. Its totient is φ = 18539825356800.

The previous prime is 68891662740071. The next prime is 68891662740161. The reversal of 68891662740096 is 69004726619886.

68891662740096 is a `hidden beast` number, since 68 + 8 + 9 + 16 + 62 + 7 + 400 + 96 = 666.

It is a super-2 number, since 2×68891662740096² (a number of 28 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 32328324951 + ... + 32328327081.

It is an arithmetic number, because the mean of its divisors is an integer number (193954184424).

Almost surely, 2^{68891662740096} 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 68891662740096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124130678031360).

68891662740096 is an abundant number, since it is smaller than the sum of its proper divisors (179369693322624).

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

68891662740096 is a wasteful number, since it uses less digits than its factorization.

68891662740096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2454 counting only the distinct ones).

The product of its (nonzero) digits is 376233984, while the sum is 72.

The spelling of 68891662740096 in words is "sixty-eight trillion, eight hundred ninety-one billion, six hundred sixty-two million, seven hundred forty thousand, ninety-six".