68901525994224 has 640 divisors, whose sum is σ = 241671046348800. Its totient is φ = 16381769564160.

The previous prime is 68901525994097. The next prime is 68901525994277. The reversal of 68901525994224 is 42249952510986.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 278447547 + ... + 278694885.

It is an arithmetic number, because the mean of its divisors is an integer number (377611009920).

Almost surely, 2^{68901525994224} 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 68901525994224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120835523174400).

68901525994224 is an abundant number, since it is smaller than the sum of its proper divisors (172769520354576).

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

68901525994224 is a wasteful number, since it uses less digits than its factorization.

68901525994224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247533 (or 247527 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 66.

The spelling of 68901525994224 in words is "sixty-eight trillion, nine hundred one billion, five hundred twenty-five million, nine hundred ninety-four thousand, two hundred twenty-four".