68126408761506 has 8 divisors (see below), whose sum is σ = 136252817523024. Its totient is φ = 22708802920500.

The previous prime is 68126408761459. The next prime is 68126408761549. The reversal of 68126408761506 is 60516780462186.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

68126408761506 is an admirable number.

It is a super-3 number, since 3×68126408761506³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68126408761506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5677200730120 + ... + 5677200730131.

It is an arithmetic number, because the mean of its divisors is an integer number (17031602190378).

Almost surely, 2^{68126408761506} is an apocalyptic number.

68126408761506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68126408761506 is a wasteful number, since it uses less digits than its factorization.

68126408761506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11354401460256.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 68126408761506 in words is "sixty-eight trillion, one hundred twenty-six billion, four hundred eight million, seven hundred sixty-one thousand, five hundred six".