196181943 has 8 divisors (see below), whose sum is σ = 261677808. Its totient is φ = 130737024.

The previous prime is 196181941. The next prime is 196181977. The reversal of 196181943 is 349181691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 196181943 - 2¹ = 196181941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196181895 and 196181904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196181941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2596 + ... + 19977.

It is an arithmetic number, because the mean of its divisors is an integer number (32709726).

Almost surely, 2^196181943 is an apocalyptic number.

196181943 is a deficient number, since it is larger than the sum of its proper divisors (65495865).

196181943 is a wasteful number, since it uses less digits than its factorization.

196181943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25473.

The product of its digits is 46656, while the sum is 42.

The square root of 196181943 is about 14006.4964570017. The cubic root of 196181943 is about 581.0582572081.

The spelling of 196181943 in words is "one hundred ninety-six million, one hundred eighty-one thousand, nine hundred forty-three".