196857423205 has 8 divisors (see below), whose sum is σ = 240232788000. Its totient is φ = 154816685136.

The previous prime is 196857423199. The next prime is 196857423227. The reversal of 196857423205 is 502324758691.

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 196857423205 - 2³ = 196857423197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333656355 + ... + 333656944.

It is an arithmetic number, because the mean of its divisors is an integer number (30029098500).

It is a 1-persistent number, because it is pandigital, but 2⋅196857423205 = 393714846410 is not.

Almost surely, 2^196857423205 is an apocalyptic number.

It is an amenable number.

196857423205 is a deficient number, since it is larger than the sum of its proper divisors (43375364795).

196857423205 is an equidigital number, since it uses as much as digits as its factorization.

196857423205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667313363.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 196857423205 in words is "one hundred ninety-six billion, eight hundred fifty-seven million, four hundred twenty-three thousand, two hundred five".