68616043752 has 32 divisors (see below), whose sum is σ = 174100413600. Its totient is φ = 22530640704.

The previous prime is 68616043747. The next prime is 68616043757. The reversal of 68616043752 is 25734061686.

It is an interprime number because it is at equal distance from previous prime (68616043747) and next prime (68616043757).

It is a super-3 number, since 3×68616043752³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (68616043757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21334227 + ... + 21337442.

It is an arithmetic number, because the mean of its divisors is an integer number (5440637925).

Almost surely, 2^68616043752 is an apocalyptic number.

It is an amenable number.

68616043752 is an abundant number, since it is smaller than the sum of its proper divisors (105484369848).

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

68616043752 is a wasteful number, since it uses less digits than its factorization.

68616043752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42671745 (or 42671741 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 68616043752 in words is "sixty-eight billion, six hundred sixteen million, forty-three thousand, seven hundred fifty-two".