68514125680 has 640 divisors, whose sum is σ = 222141782016. Its totient is φ = 18966528000.

The previous prime is 68514125677. The next prime is 68514125689. The reversal of 68514125680 is 8652141586.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68514125680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68514125689) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 347787342 + ... + 347787538.

Almost surely, 2^68514125680 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 68514125680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111070891008).

68514125680 is an abundant number, since it is smaller than the sum of its proper divisors (153627656336).

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

68514125680 is a wasteful number, since it uses less digits than its factorization.

68514125680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 68514125680 in words is "sixty-eight billion, five hundred fourteen million, one hundred twenty-five thousand, six hundred eighty".