196158671133 has 4 divisors (see below), whose sum is σ = 261544894848. Its totient is φ = 130772447420.

The previous prime is 196158671119. The next prime is 196158671221. The reversal of 196158671133 is 331176851691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196158671133 - 2⁴ = 196158671117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196158671833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32693111853 + ... + 32693111858.

It is an arithmetic number, because the mean of its divisors is an integer number (65386223712).

Almost surely, 2^196158671133 is an apocalyptic number.

It is an amenable number.

196158671133 is a deficient number, since it is larger than the sum of its proper divisors (65386223715).

196158671133 is an equidigital number, since it uses as much as digits as its factorization.

196158671133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65386223714.

The product of its digits is 816480, while the sum is 51.

The spelling of 196158671133 in words is "one hundred ninety-six billion, one hundred fifty-eight million, six hundred seventy-one thousand, one hundred thirty-three".