196659101 has 4 divisors (see below), whose sum is σ = 207009600. Its totient is φ = 186308604.

The previous prime is 196659091. The next prime is 196659103. The reversal of 196659101 is 101956691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101956691 = 73 ⋅1396667.

It is not a de Polignac number, because 196659101 - 2⁶ = 196659037 is a prime.

It is a super-2 number, since 2×196659101² = 77349604012256402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196659103) 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 3 ways as a sum of consecutive naturals, for example, 5175221 + ... + 5175258.

It is an arithmetic number, because the mean of its divisors is an integer number (51752400).

Almost surely, 2^196659101 is an apocalyptic number.

It is an amenable number.

196659101 is a deficient number, since it is larger than the sum of its proper divisors (10350499).

196659101 is a wasteful number, since it uses less digits than its factorization.

196659101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10350498.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 196659101 is about 14023.5195653588. The cubic root of 196659101 is about 581.5289633151.

The spelling of 196659101 in words is "one hundred ninety-six million, six hundred fifty-nine thousand, one hundred one".