68118030792 has 192 divisors, whose sum is σ = 221752028160. Its totient is φ = 18478886400.

The previous prime is 68118030787. The next prime is 68118030803. The reversal of 68118030792 is 29703081186.

68118030792 is a `hidden beast` number, since 6 + 81 + 180 + 307 + 92 = 666.

It is a super-2 number, since 2×68118030792² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 786942 + ... + 869202.

It is an arithmetic number, because the mean of its divisors is an integer number (1154958480).

Almost surely, 2^68118030792 is an apocalyptic number.

68118030792 is a gapful number since it is divisible by the number (62) 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 68118030792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110876014080).

68118030792 is an abundant number, since it is smaller than the sum of its proper divisors (153633997368).

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

68118030792 is a wasteful number, since it uses less digits than its factorization.

68118030792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82364 (or 82357 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 68118030792 in words is "sixty-eight billion, one hundred eighteen million, thirty thousand, seven hundred ninety-two".