196855311 has 8 divisors (see below), whose sum is σ = 263129904. Its totient is φ = 130908800.

The previous prime is 196855297. The next prime is 196855327. The reversal of 196855311 is 113558691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196855311 - 2⁵ = 196855279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196855311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196855331) 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 in 7 ways as a sum of consecutive naturals, for example, 80616 + ... + 83021.

It is an arithmetic number, because the mean of its divisors is an integer number (32891238).

Almost surely, 2^196855311 is an apocalyptic number.

196855311 is a deficient number, since it is larger than the sum of its proper divisors (66274593).

196855311 is a wasteful number, since it uses less digits than its factorization.

196855311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164041.

The product of its digits is 32400, while the sum is 39.

The square root of 196855311 is about 14030.5135686474. The cubic root of 196855311 is about 581.7222993489.

The spelling of 196855311 in words is "one hundred ninety-six million, eight hundred fifty-five thousand, three hundred eleven".