196190691 has 8 divisors (see below), whose sum is σ = 261674064. Its totient is φ = 130750560.

The previous prime is 196190689. The next prime is 196190711. The reversal of 196190691 is 196091691.

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

It is not a de Polignac number, because 196190691 - 2¹ = 196190689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196190611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1921 + ... + 19901.

It is an arithmetic number, because the mean of its divisors is an integer number (32709258).

Almost surely, 2^196190691 is an apocalyptic number.

196190691 is a deficient number, since it is larger than the sum of its proper divisors (65483373).

196190691 is a wasteful number, since it uses less digits than its factorization.

196190691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21621.

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 196190691 is about 14006.8087371821. The cubic root of 196190691 is about 581.0668937863.

The spelling of 196190691 in words is "one hundred ninety-six million, one hundred ninety thousand, six hundred ninety-one".