196663618011 has 8 divisors (see below), whose sum is σ = 299677894144. Its totient is φ = 112379210280.

The previous prime is 196663618007. The next prime is 196663618031. The reversal of 196663618011 is 110816366691.

It is a happy number.

196663618011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 196663618011 - 2² = 196663618007 is a prime.

It is a super-2 number, since 2×196663618011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196663618031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4682467075 + ... + 4682467116.

It is an arithmetic number, because the mean of its divisors is an integer number (37459736768).

Almost surely, 2^196663618011 is an apocalyptic number.

196663618011 is a deficient number, since it is larger than the sum of its proper divisors (103014276133).

196663618011 is an equidigital number, since it uses as much as digits as its factorization.

196663618011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9364934201.

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 196663618011 in words is "one hundred ninety-six billion, six hundred sixty-three million, six hundred eighteen thousand, eleven".