196253378159 has 4 divisors (see below), whose sum is σ = 196369027104. Its totient is φ = 196137729216.

The previous prime is 196253378149. The next prime is 196253378197. The reversal of 196253378159 is 951873352691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951873352691 = 37423 ⋅25435517.

It is a cyclic number.

It is not a de Polignac number, because 196253378159 - 2²⁰ = 196252329583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196253378098 and 196253378107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196253378149) 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, 57821927 + ... + 57825320.

It is an arithmetic number, because the mean of its divisors is an integer number (49092256776).

Almost surely, 2^196253378159 is an apocalyptic number.

196253378159 is a deficient number, since it is larger than the sum of its proper divisors (115648945).

196253378159 is a wasteful number, since it uses less digits than its factorization.

196253378159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115648944.

The product of its digits is 12247200, while the sum is 59.

The spelling of 196253378159 in words is "one hundred ninety-six billion, two hundred fifty-three million, three hundred seventy-eight thousand, one hundred fifty-nine".