67638901104 has 60 divisors (see below), whose sum is σ = 189314240752. Its totient is φ = 22544006400.

The previous prime is 67638901103. The next prime is 67638901153. The reversal of 67638901104 is 40110983676.

It is a happy number.

67638901104 is a `hidden beast` number, since 6 + 7 + 638 + 9 + 0 + 1 + 1 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 67638901104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67638901103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1974684 + ... + 2008644.

Almost surely, 2^67638901104 is an apocalyptic number.

It is an amenable number.

67638901104 is an abundant number, since it is smaller than the sum of its proper divisors (121675339648).

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

67638901104 is a wasteful number, since it uses less digits than its factorization.

67638901104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47806 (or 47797 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 67638901104 in words is "sixty-seven billion, six hundred thirty-eight million, nine hundred one thousand, one hundred four".