68130786468852 has 36 divisors (see below), whose sum is σ = 172241503237440. Its totient is φ = 22707359050512.

The previous prime is 68130786468709. The next prime is 68130786468911. The reversal of 68130786468852 is 25886468703186.

68130786468852 is a `hidden beast` number, since 6 + 8 + 1 + 3 + 0 + 7 + 86 + 468 + 85 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120677202 + ... + 121240457.

It is an arithmetic number, because the mean of its divisors is an integer number (4784486201040).

Almost surely, 2^{68130786468852} is an apocalyptic number.

It is an amenable number.

68130786468852 is an abundant number, since it is smaller than the sum of its proper divisors (104110716768588).

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

68130786468852 is a wasteful number, since it uses less digits than its factorization.

68130786468852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241925492 (or 241925487 counting only the distinct ones).

The product of its (nonzero) digits is 743178240, while the sum is 72.

The spelling of 68130786468852 in words is "sixty-eight trillion, one hundred thirty billion, seven hundred eighty-six million, four hundred sixty-eight thousand, eight hundred fifty-two".