68267303680 has 72 divisors (see below), whose sum is σ = 163991142000. Its totient is φ = 27228499968.

The previous prime is 68267303641. The next prime is 68267303683. The reversal of 68267303680 is 8630376286.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68267303683) 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, 370311 + ... + 523129.

It is an arithmetic number, because the mean of its divisors is an integer number (2277654750).

Almost surely, 2^68267303680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68267303680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81995571000).

68267303680 is an abundant number, since it is smaller than the sum of its proper divisors (95723838320).

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

68267303680 is a wasteful number, since it uses less digits than its factorization.

68267303680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153189 (or 153175 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 68267303680 in words is "sixty-eight billion, two hundred sixty-seven million, three hundred three thousand, six hundred eighty".