196655542 has 4 divisors (see below), whose sum is σ = 294983316. Its totient is φ = 98327770.

The previous prime is 196655527. The next prime is 196655549. The reversal of 196655542 is 245556691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245556691 = 1051 ⋅233641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196655549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49163884 + ... + 49163887.

It is an arithmetic number, because the mean of its divisors is an integer number (73745829).

Almost surely, 2^196655542 is an apocalyptic number.

196655542 is a deficient number, since it is larger than the sum of its proper divisors (98327774).

196655542 is an equidigital number, since it uses as much as digits as its factorization.

196655542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98327773.

The product of its digits is 324000, while the sum is 43.

The square root of 196655542 is about 14023.3926708197. The cubic root of 196655542 is about 581.5254552580.

The spelling of 196655542 in words is "one hundred ninety-six million, six hundred fifty-five thousand, five hundred forty-two".