196350021158 has 4 divisors (see below), whose sum is σ = 294525031740. Its totient is φ = 98175010578.

The previous prime is 196350021151. The next prime is 196350021221. The reversal of 196350021158 is 851120053691.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196350021151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49087505288 + ... + 49087505291.

It is an arithmetic number, because the mean of its divisors is an integer number (73631257935).

Almost surely, 2^196350021158 is an apocalyptic number.

196350021158 is a deficient number, since it is larger than the sum of its proper divisors (98175010582).

196350021158 is an equidigital number, since it uses as much as digits as its factorization.

196350021158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98175010581.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 196350021158 in words is "one hundred ninety-six billion, three hundred fifty million, twenty-one thousand, one hundred fifty-eight".