198713677564 has 24 divisors (see below), whose sum is σ = 349939699200. Its totient is φ = 98732808000.

The previous prime is 198713677543. The next prime is 198713677597. The reversal of 198713677564 is 465776317891.

It is a junction number, because it is equal to n+sod(n) for n = 198713677496 and 198713677505.

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, 181189 + ... + 655939.

It is an arithmetic number, because the mean of its divisors is an integer number (14580820800).

Almost surely, 2^198713677564 is an apocalyptic number.

It is an amenable number.

198713677564 is a deficient number, since it is larger than the sum of its proper divisors (151226021636).

198713677564 is a wasteful number, since it uses less digits than its factorization.

198713677564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475413 (or 475411 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 64.

The spelling of 198713677564 in words is "one hundred ninety-eight billion, seven hundred thirteen million, six hundred seventy-seven thousand, five hundred sixty-four".