67534881360 has 640 divisors, whose sum is σ = 243755827200. Its totient is φ = 15354593280.

The previous prime is 67534881289. The next prime is 67534881361. The reversal of 67534881360 is 6318843576.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67534881361) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 377289751 + ... + 377289929.

It is an arithmetic number, because the mean of its divisors is an integer number (380868480).

Almost surely, 2^67534881360 is an apocalyptic number.

67534881360 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 67534881360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121877913600).

67534881360 is an abundant number, since it is smaller than the sum of its proper divisors (176220945840).

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

67534881360 is a wasteful number, since it uses less digits than its factorization.

67534881360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 67534881360 in words is "sixty-seven billion, five hundred thirty-four million, eight hundred eighty-one thousand, three hundred sixty".