67224911138 has 54 divisors (see below), whose sum is σ = 128987902449. Its totient is φ = 26180523600.

The previous prime is 67224911111. The next prime is 67224911179. The reversal of 67224911138 is 83111942276.

It can be written as a sum of positive squares in 2 ways, for example, as 35559776329 + 31665134809 = 188573^2 + 177947^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=183337.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 28232708 + ... + 28235088.

Almost surely, 2^67224911138 is an apocalyptic number.

67224911138 is a deficient number, since it is larger than the sum of its proper divisors (61762991311).

67224911138 is an equidigital number, since it uses as much as digits as its factorization.

67224911138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800 (or 2401 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The spelling of 67224911138 in words is "sixty-seven billion, two hundred twenty-four million, nine hundred eleven thousand, one hundred thirty-eight".