196785066 has 16 divisors (see below), whose sum is σ = 393711264. Its totient is φ = 65571504.

The previous prime is 196785059. The next prime is 196785089. The reversal of 196785066 is 660587691.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 23676 + ... + 30888.

It is an arithmetic number, because the mean of its divisors is an integer number (24606954).

Almost surely, 2^196785066 is an apocalyptic number.

196785066 is an abundant number, since it is smaller than the sum of its proper divisors (196926198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196785066 is a wasteful number, since it uses less digits than its factorization.

196785066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11765.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 196785066 is about 14028.0100513223. The cubic root of 196785066 is about 581.6530980251.

The spelling of 196785066 in words is "one hundred ninety-six million, seven hundred eighty-five thousand, sixty-six".