196858163147 has 4 divisors (see below), whose sum is σ = 196865619096. Its totient is φ = 196850707200.

The previous prime is 196858163093. The next prime is 196858163171. The reversal of 196858163147 is 741361858691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741361858691 = 276587 ⋅2680393.

It is a cyclic number.

It is not a de Polignac number, because 196858163147 - 2²⁴ = 196841385931 is a prime.

It is a super-2 number, since 2×196858163147² (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 (196858103147) 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 in 3 ways as a sum of consecutive naturals, for example, 3688229 + ... + 3741222.

It is an arithmetic number, because the mean of its divisors is an integer number (49216404774).

Almost surely, 2^196858163147 is an apocalyptic number.

196858163147 is a deficient number, since it is larger than the sum of its proper divisors (7455949).

196858163147 is an equidigital number, since it uses as much as digits as its factorization.

196858163147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7455948.

The product of its digits is 8709120, while the sum is 59.

The spelling of 196858163147 in words is "one hundred ninety-six billion, eight hundred fifty-eight million, one hundred sixty-three thousand, one hundred forty-seven".