68106534912 has 360 divisors, whose sum is σ = 218747249280. Its totient is φ = 20932853760.

The previous prime is 68106534901. The next prime is 68106534913. The reversal of 68106534912 is 21943560186.

68106534912 is a `hidden beast` number, since 6 + 8 + 106 + 53 + 491 + 2 = 666.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68106534913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74759737 + ... + 74760647.

It is an arithmetic number, because the mean of its divisors is an integer number (607631248).

Almost surely, 2^68106534912 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 68106534912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109373624640).

68106534912 is an abundant number, since it is smaller than the sum of its proper divisors (150640714368).

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

68106534912 is an equidigital number, since it uses as much as digits as its factorization.

68106534912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 68106534912 in words is "sixty-eight billion, one hundred six million, five hundred thirty-four thousand, nine hundred twelve".