196164961 has 4 divisors (see below), whose sum is σ = 202929300. Its totient is φ = 189400624.

The previous prime is 196164937. The next prime is 196164967. The reversal of 196164961 is 169461691.

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

It can be written as a sum of positive squares in 2 ways, for example, as 78854400 + 117310561 = 8880^2 + 10831^2 .

It is not a de Polignac number, because 196164961 - 2⁵ = 196164929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196164967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3382126 + ... + 3382183.

It is an arithmetic number, because the mean of its divisors is an integer number (50732325).

Almost surely, 2^196164961 is an apocalyptic number.

It is an amenable number.

196164961 is a deficient number, since it is larger than the sum of its proper divisors (6764339).

196164961 is an equidigital number, since it uses as much as digits as its factorization.

196164961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764338.

The product of its digits is 69984, while the sum is 43.

The square root of 196164961 is about 14005.8902251874. The cubic root of 196164961 is about 581.0414907719.

The spelling of 196164961 in words is "one hundred ninety-six million, one hundred sixty-four thousand, nine hundred sixty-one".