199946116611 has 24 divisors (see below), whose sum is σ = 290799774720. Its totient is φ = 132382402416.

The previous prime is 199946116583. The next prime is 199946116639. The reversal of 199946116611 is 116611649991.

199946116611 is a `hidden beast` number, since 1 + 9 + 9 + 9 + 4 + 6 + 1 + 16 + 611 = 666.

It is an interprime number because it is at equal distance from previous prime (199946116583) and next prime (199946116639).

It is not a de Polignac number, because 199946116611 - 2⁶ = 199946116547 is a prime.

It is a super-2 number, since 2×199946116611² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199946186611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 722050 + ... + 959816.

It is an arithmetic number, because the mean of its divisors is an integer number (12116657280).

Almost surely, 2^199946116611 is an apocalyptic number.

199946116611 is a deficient number, since it is larger than the sum of its proper divisors (90853658109).

199946116611 is a wasteful number, since it uses less digits than its factorization.

199946116611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238415 (or 238412 counting only the distinct ones).

The product of its digits is 629856, while the sum is 54.

The spelling of 199946116611 in words is "one hundred ninety-nine billion, nine hundred forty-six million, one hundred sixteen thousand, six hundred eleven".