68565718765800 has 384 divisors, whose sum is σ = 236692629273600. Its totient is φ = 18243822401280.

The previous prime is 68565718765787. The next prime is 68565718765847. The reversal of 68565718765800 is 856781756586.

68565718765800 is a `hidden beast` number, since 6 + 8 + 565 + 7 + 1 + 8 + 7 + 6 + 58 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11452430407 + ... + 11452436393.

It is an arithmetic number, because the mean of its divisors is an integer number (616387055400).

Almost surely, 2^{68565718765800} is an apocalyptic number.

68565718765800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68565718765800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118346314636800).

68565718765800 is an abundant number, since it is smaller than the sum of its proper divisors (168126910507800).

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

68565718765800 is a wasteful number, since it uses less digits than its factorization.

68565718765800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10342 (or 10327 counting only the distinct ones).

The product of its (nonzero) digits is 677376000, while the sum is 72.

The spelling of 68565718765800 in words is "sixty-eight trillion, five hundred sixty-five billion, seven hundred eighteen million, seven hundred sixty-five thousand, eight hundred".