196159642 has 32 divisors (see below), whose sum is σ = 344736000. Its totient is φ = 83677104.

The previous prime is 196159633. The next prime is 196159643. The reversal of 196159642 is 246951691.

It is not an unprimeable number, because it can be changed into a prime (196159643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184003 + ... + 185065.

It is an arithmetic number, because the mean of its divisors is an integer number (10773000).

Almost surely, 2^196159642 is an apocalyptic number.

196159642 is a deficient number, since it is larger than the sum of its proper divisors (148576358).

196159642 is a wasteful number, since it uses less digits than its factorization.

196159642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1341 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 196159642 is about 14005.7003395046. The cubic root of 196159642 is about 581.0362390905.

The spelling of 196159642 in words is "one hundred ninety-six million, one hundred fifty-nine thousand, six hundred forty-two".