68073596136 has 864 divisors, whose sum is σ = 249943449600. Its totient is φ = 16643128320.

The previous prime is 68073596119. The next prime is 68073596137. The reversal of 68073596136 is 63169537086.

It is not an unprimeable number, because it can be changed into a prime (68073596137) 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 215 ways as a sum of consecutive naturals, for example, 536012505 + ... + 536012631.

It is an arithmetic number, because the mean of its divisors is an integer number (289286400).

Almost surely, 2^68073596136 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 68073596136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124971724800).

68073596136 is an abundant number, since it is smaller than the sum of its proper divisors (181869853464).

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

68073596136 is a wasteful number, since it uses less digits than its factorization.

68073596136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 68073596136 in words is "sixty-eight billion, seventy-three million, five hundred ninety-six thousand, one hundred thirty-six".