198034017671 has 16 divisors (see below), whose sum is σ = 239660467200. Its totient is φ = 159743425920.

The previous prime is 198034017661. The next prime is 198034017673. The reversal of 198034017671 is 176710430891.

It is a cyclic number.

It is not a de Polignac number, because 198034017671 - 2³⁴ = 180854148487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198034017673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283486 + ... + 1429476.

It is an arithmetic number, because the mean of its divisors is an integer number (14978779200).

Almost surely, 2^198034017671 is an apocalyptic number.

198034017671 is a deficient number, since it is larger than the sum of its proper divisors (41626449529).

198034017671 is a wasteful number, since it uses less digits than its factorization.

198034017671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157414.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 198034017671 in words is "one hundred ninety-eight billion, thirty-four million, seventeen thousand, six hundred seventy-one".