68641203708 has 720 divisors, whose sum is σ = 243048072960. Its totient is φ = 16656192000.

The previous prime is 68641203691. The next prime is 68641203737. The reversal of 68641203708 is 80730214686.

It is a super-2 number, since 2×68641203708² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 454577433 + ... + 454577583.

It is an arithmetic number, because the mean of its divisors is an integer number (337566768).

Almost surely, 2^68641203708 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 68641203708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121524036480).

68641203708 is an abundant number, since it is smaller than the sum of its proper divisors (174406869252).

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

68641203708 is a wasteful number, since it uses less digits than its factorization.

68641203708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 68641203708 in words is "sixty-eight billion, six hundred forty-one million, two hundred three thousand, seven hundred eight".