196831187510850 has 36 divisors (see below), whose sum is σ = 528819790447026. Its totient is φ = 52488316669440.

The previous prime is 196831187510843. The next prime is 196831187510861. The reversal of 196831187510850 is 58015781138691.

196831187510850 is a `hidden beast` number, since 1 + 9 + 6 + 8 + 31 + 1 + 8 + 7 + 510 + 85 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 173881329569649 + 22949857941201 = 13186407^2 + 4790601^2 .

It is a Curzon 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 17 ways as a sum of consecutive naturals, for example, 218701319007 + ... + 218701319906.

Almost surely, 2^{196831187510850} is an apocalyptic number.

196831187510850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196831187510850 is an abundant number, since it is smaller than the sum of its proper divisors (331988602936176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196831187510850 is a wasteful number, since it uses less digits than its factorization.

196831187510850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437402638931 (or 437402638923 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 63.

The spelling of 196831187510850 in words is "one hundred ninety-six trillion, eight hundred thirty-one billion, one hundred eighty-seven million, five hundred ten thousand, eight hundred fifty".