67030398198 has 12 divisors (see below), whose sum is σ = 145232529468. Its totient is φ = 22343466060.

The previous prime is 67030398191. The next prime is 67030398203. The reversal of 67030398198 is 89189303076.

67030398198 is a `hidden beast` number, since 67 + 0 + 3 + 0 + 398 + 198 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67030398191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1861955488 + ... + 1861955523.

It is an arithmetic number, because the mean of its divisors is an integer number (12102710789).

Almost surely, 2^67030398198 is an apocalyptic number.

67030398198 is an abundant number, since it is smaller than the sum of its proper divisors (78202131270).

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

67030398198 is a wasteful number, since it uses less digits than its factorization.

67030398198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723911019 (or 3723911016 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 67030398198 in words is "sixty-seven billion, thirty million, three hundred ninety-eight thousand, one hundred ninety-eight".