67198663404 has 36 divisors (see below), whose sum is σ = 174454191184. Its totient is φ = 21794160672.

The previous prime is 67198663397. The next prime is 67198663463. The reversal of 67198663404 is 40436689176.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25223392 + ... + 25226055.

Almost surely, 2^67198663404 is an apocalyptic number.

It is an amenable number.

67198663404 is an abundant number, since it is smaller than the sum of its proper divisors (107255527780).

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

67198663404 is a wasteful number, since it uses less digits than its factorization.

67198663404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50449494 (or 50449489 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 67198663404 in words is "sixty-seven billion, one hundred ninety-eight million, six hundred sixty-three thousand, four hundred four".