67263363328 has 144 divisors (see below), whose sum is σ = 156038109696. Its totient is φ = 28342517760.

The previous prime is 67263363301. The next prime is 67263363329. The reversal of 67263363328 is 82336336276.

It is not an unprimeable number, because it can be changed into a prime (67263363329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56381100 + ... + 56382292.

It is an arithmetic number, because the mean of its divisors is an integer number (1083597984).

Almost surely, 2^67263363328 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 67263363328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78019054848).

67263363328 is an abundant number, since it is smaller than the sum of its proper divisors (88774746368).

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

67263363328 is a wasteful number, since it uses less digits than its factorization.

67263363328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720 (or 1706 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 49.

The spelling of 67263363328 in words is "sixty-seven billion, two hundred sixty-three million, three hundred sixty-three thousand, three hundred twenty-eight".