196639832108 has 24 divisors (see below), whose sum is σ = 347718576912. Its totient is φ = 97291966464.

The previous prime is 196639832107. The next prime is 196639832177. The reversal of 196639832108 is 801238936691.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (196639832107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2894660 + ... + 2961812.

It is an arithmetic number, because the mean of its divisors is an integer number (14488274038).

Almost surely, 2^196639832108 is an apocalyptic number.

It is an amenable number.

196639832108 is a deficient number, since it is larger than the sum of its proper divisors (151078744804).

196639832108 is a wasteful number, since it uses less digits than its factorization.

196639832108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74801 (or 74799 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 56.

The spelling of 196639832108 in words is "one hundred ninety-six billion, six hundred thirty-nine million, eight hundred thirty-two thousand, one hundred eight".