196655906 has 4 divisors (see below), whose sum is σ = 294983862. Its totient is φ = 98327952.

The previous prime is 196655869. The next prime is 196655929. The reversal of 196655906 is 609556691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 191407225 + 5248681 = 13835^2 + 2291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49163975 + ... + 49163978.

Almost surely, 2^196655906 is an apocalyptic number.

196655906 is a deficient number, since it is larger than the sum of its proper divisors (98327956).

196655906 is an equidigital number, since it uses as much as digits as its factorization.

196655906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98327955.

The product of its (nonzero) digits is 437400, while the sum is 47.

The square root of 196655906 is about 14023.4056491282. The cubic root of 196655906 is about 581.5258140497.

The spelling of 196655906 in words is "one hundred ninety-six million, six hundred fifty-five thousand, nine hundred six".