68291811726 has 32 divisors (see below), whose sum is σ = 137065898400. Its totient is φ = 22683608064.

The previous prime is 68291811683. The next prime is 68291811793. The reversal of 68291811726 is 62711819286.

It is a super-3 number, since 3×68291811726³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9824100 + ... + 9831048.

It is an arithmetic number, because the mean of its divisors is an integer number (4283309325).

Almost surely, 2^68291811726 is an apocalyptic number.

68291811726 is an abundant number, since it is smaller than the sum of its proper divisors (68774086674).

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

68291811726 is a wasteful number, since it uses less digits than its factorization.

68291811726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500.

The product of its digits is 580608, while the sum is 51.

The spelling of 68291811726 in words is "sixty-eight billion, two hundred ninety-one million, eight hundred eleven thousand, seven hundred twenty-six".