196118149 has 4 divisors (see below), whose sum is σ = 196309036. Its totient is φ = 195927264.

The previous prime is 196118123. The next prime is 196118203. The reversal of 196118149 is 941811691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 941811691 = 24793 ⋅37987.

It can be written as a sum of positive squares in 2 ways, for example, as 169182049 + 26936100 = 13007^2 + 5190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196118149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196118249) 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, 93894 + ... + 95959.

It is an arithmetic number, because the mean of its divisors is an integer number (49077259).

Almost surely, 2^196118149 is an apocalyptic number.

It is an amenable number.

196118149 is a deficient number, since it is larger than the sum of its proper divisors (190887).

196118149 is a wasteful number, since it uses less digits than its factorization.

196118149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190886.

The product of its digits is 15552, while the sum is 40.

The square root of 196118149 is about 14004.2189714386. The cubic root of 196118149 is about 580.9952679772.

The spelling of 196118149 in words is "one hundred ninety-six million, one hundred eighteen thousand, one hundred forty-nine".