67336949888 has 32 divisors (see below), whose sum is σ = 144466897260. Its totient is φ = 31078591488.

The previous prime is 67336949857. The next prime is 67336949891. The reversal of 67336949888 is 88894963376.

It can be written as a sum of positive squares in 2 ways, for example, as 58057866304 + 9279083584 = 240952^2 + 96328^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20231795 + ... + 20235122.

Almost surely, 2^67336949888 is an apocalyptic number.

It is an amenable number.

67336949888 is an abundant number, since it is smaller than the sum of its proper divisors (77129947372).

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

67336949888 is a wasteful number, since it uses less digits than its factorization.

67336949888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40466944 (or 40466932 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 71.

The spelling of 67336949888 in words is "sixty-seven billion, three hundred thirty-six million, nine hundred forty-nine thousand, eight hundred eighty-eight".