68647542933312 has 84 divisors (see below), whose sum is σ = 224875185296736. Its totient is φ = 19613583694080.

The previous prime is 68647542933301. The next prime is 68647542933313. The reversal of 68647542933312 is 21333924574686.

68647542933312 is a `hidden beast` number, since 6 + 8 + 6 + 4 + 7 + 5 + 4 + 293 + 331 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 68647542933312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68647542933313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8512836114 + ... + 8512844177.

Almost surely, 2^{68647542933312} is an apocalyptic number.

It is an amenable number.

68647542933312 is an abundant number, since it is smaller than the sum of its proper divisors (156227642363424).

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

68647542933312 is a wasteful number, since it uses less digits than its factorization.

68647542933312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17025680316 (or 17025680303 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 63.

The spelling of 68647542933312 in words is "sixty-eight trillion, six hundred forty-seven billion, five hundred forty-two million, nine hundred thirty-three thousand, three hundred twelve".