198199882061 has 8 divisors (see below), whose sum is σ = 198374904000. Its totient is φ = 198024910560.

The previous prime is 198199882033. The next prime is 198199882091. The reversal of 198199882061 is 160288991891.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198199882061 is a prime.

It is a super-3 number, since 3×198199882061³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198199881985 and 198199882003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198199882091) by changing a digit.

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, 16069745 + ... + 16082073.

It is an arithmetic number, because the mean of its divisors is an integer number (24796863000).

Almost surely, 2^198199882061 is an apocalyptic number.

It is an amenable number.

198199882061 is a deficient number, since it is larger than the sum of its proper divisors (175021939).

198199882061 is a wasteful number, since it uses less digits than its factorization.

198199882061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25219.

The product of its (nonzero) digits is 4478976, while the sum is 62.

The spelling of 198199882061 in words is "one hundred ninety-eight billion, one hundred ninety-nine million, eight hundred eighty-two thousand, sixty-one".