67816770560 has 528 divisors, whose sum is σ = 210747329280. Its totient is φ = 20341555200.

The previous prime is 67816770559. The next prime is 67816770569. The reversal of 67816770560 is 6507761876.

It is a super-2 number, since 2×67816770560² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67816770569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 378864551 + ... + 378864729.

Almost surely, 2^67816770560 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 67816770560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105373664640).

67816770560 is an abundant number, since it is smaller than the sum of its proper divisors (142930558720).

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

67816770560 is a wasteful number, since it uses less digits than its factorization.

67816770560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 67816770560 in words is "sixty-seven billion, eight hundred sixteen million, seven hundred seventy thousand, five hundred sixty".