196118593 has 4 divisors (see below), whose sum is σ = 213947568. Its totient is φ = 178289620.

The previous prime is 196118569. The next prime is 196118633. The reversal of 196118593 is 395811691.

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 196118593 - 2⁹ = 196118081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196118563) 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, 8914471 + ... + 8914492.

It is an arithmetic number, because the mean of its divisors is an integer number (53486892).

Almost surely, 2^196118593 is an apocalyptic number.

It is an amenable number.

196118593 is a deficient number, since it is larger than the sum of its proper divisors (17828975).

196118593 is a wasteful number, since it uses less digits than its factorization.

196118593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17828974.

The product of its digits is 58320, while the sum is 43.

The square root of 196118593 is about 14004.2348237953. The cubic root of 196118593 is about 580.9957064233.

The spelling of 196118593 in words is "one hundred ninety-six million, one hundred eighteen thousand, five hundred ninety-three".