68371806841024 has 112 divisors (see below), whose sum is σ = 139304010504960. Its totient is φ = 33283957754880.

The previous prime is 68371806840989. The next prime is 68371806841027. The reversal of 68371806841024 is 42014860817386.

It is a self number, because there is not a number n which added to its sum of digits gives 68371806841024.

It is not an unprimeable number, because it can be changed into a prime (68371806841027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900978187 + ... + 901054069.

It is an arithmetic number, because the mean of its divisors is an integer number (1243785808080).

Almost surely, 2^{68371806841024} is an apocalyptic number.

68371806841024 is a gapful number since it is divisible by the number (64) 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 68371806841024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69652005252480).

68371806841024 is an abundant number, since it is smaller than the sum of its proper divisors (70932203663936).

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

68371806841024 is a wasteful number, since it uses less digits than its factorization.

68371806841024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78438 (or 78428 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 68371806841024 in words is "sixty-eight trillion, three hundred seventy-one billion, eight hundred six million, eight hundred forty-one thousand, twenty-four".