68538154392 has 48 divisors (see below), whose sum is σ = 185789680440. Its totient is φ = 22825680768.

The previous prime is 68538154379. The next prime is 68538154427. The reversal of 68538154392 is 29345183586.

68538154392 is a `hidden beast` number, since 6 + 8 + 5 + 3 + 8 + 1 + 543 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342973 + ... + 504684.

Almost surely, 2^68538154392 is an apocalyptic number.

It is an amenable number.

68538154392 is an abundant number, since it is smaller than the sum of its proper divisors (117251526048).

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

68538154392 is a wasteful number, since it uses less digits than its factorization.

68538154392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848792 (or 848785 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 68538154392 in words is "sixty-eight billion, five hundred thirty-eight million, one hundred fifty-four thousand, three hundred ninety-two".