68132309760 has 864 divisors, whose sum is σ = 263159930880. Its totient is φ = 16679706624.

The previous prime is 68132309753. The next prime is 68132309821. The reversal of 68132309760 is 6790323186.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 536474817 + ... + 536474943.

Almost surely, 2^68132309760 is an apocalyptic number.

68132309760 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 68132309760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131579965440).

68132309760 is an abundant number, since it is smaller than the sum of its proper divisors (195027621120).

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

68132309760 is a wasteful number, since it uses less digits than its factorization.

68132309760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 68132309760 in words is "sixty-eight billion, one hundred thirty-two million, three hundred nine thousand, seven hundred sixty".