67109137404 has 24 divisors (see below), whose sum is σ = 161639213568. Its totient is φ = 21648108720.

The previous prime is 67109137399. The next prime is 67109137429. The reversal of 67109137404 is 40473190176.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 90200082 + ... + 90200825.

It is an arithmetic number, because the mean of its divisors is an integer number (6734967232).

Almost surely, 2^67109137404 is an apocalyptic number.

It is an amenable number.

67109137404 is an abundant number, since it is smaller than the sum of its proper divisors (94530076164).

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

67109137404 is a wasteful number, since it uses less digits than its factorization.

67109137404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180400945 (or 180400943 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 67109137404 in words is "sixty-seven billion, one hundred nine million, one hundred thirty-seven thousand, four hundred four".