68100743447808 has 72 divisors (see below), whose sum is σ = 183283777756800. Its totient is φ = 22445188829184.

The previous prime is 68100743447791. The next prime is 68100743447809. The reversal of 68100743447808 is 80874434700186.

It is a super-2 number, since 2×68100743447808² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68100743447809) 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, 498093688 + ... + 498230391.

It is an arithmetic number, because the mean of its divisors is an integer number (2545608024400).

Almost surely, 2^{68100743447808} is an apocalyptic number.

It is an amenable number.

68100743447808 is an abundant number, since it is smaller than the sum of its proper divisors (115183034308992).

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

68100743447808 is an equidigital number, since it uses as much as digits as its factorization.

68100743447808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996324187 (or 996324173 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 60.

The spelling of 68100743447808 in words is "sixty-eight trillion, one hundred billion, seven hundred forty-three million, four hundred forty-seven thousand, eight hundred eight".