196760161 has 4 divisors (see below), whose sum is σ = 211895572. Its totient is φ = 181624752.

The previous prime is 196760153. The next prime is 196760167. The reversal of 196760161 is 161067691.

196760161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161067691 = 773 ⋅208367.

It can be written as a sum of positive squares in 2 ways, for example, as 26718561 + 170041600 = 5169^2 + 13040^2 .

It is a cyclic number.

It is not a de Polignac number, because 196760161 - 2³ = 196760153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196760161.

It is not an unprimeable number, because it can be changed into a prime (196760167) 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, 7567686 + ... + 7567711.

It is an arithmetic number, because the mean of its divisors is an integer number (52973893).

Almost surely, 2^196760161 is an apocalyptic number.

It is an amenable number.

196760161 is a deficient number, since it is larger than the sum of its proper divisors (15135411).

196760161 is a wasteful number, since it uses less digits than its factorization.

196760161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15135410.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 196760161 is about 14027.1223349624. The cubic root of 196760161 is about 581.6285591007.

It can be divided in two parts, 1967 and 60161, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 196760161 in words is "one hundred ninety-six million, seven hundred sixty thousand, one hundred sixty-one".