196916961 has 8 divisors (see below), whose sum is σ = 273971520. Its totient is φ = 125570192.

The previous prime is 196916939. The next prime is 196916963. The reversal of 196916961 is 169619691.

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 196916961 - 2⁶ = 196916897 is a prime.

196916961 is a strobogrammatic number because it is the same when read upside-down.

It is a self number, because there is not a number n which added to its sum of digits gives 196916961.

It is not an unprimeable number, because it can be changed into a prime (196916963) 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 7 ways as a sum of consecutive naturals, for example, 1426866 + ... + 1427003.

It is an arithmetic number, because the mean of its divisors is an integer number (34246440).

Almost surely, 2^196916961 is an apocalyptic number.

It is an amenable number.

196916961 is a deficient number, since it is larger than the sum of its proper divisors (77054559).

196916961 is a wasteful number, since it uses less digits than its factorization.

196916961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853895.

The product of its digits is 157464, while the sum is 48.

The square root of 196916961 is about 14032.7103939332. The cubic root of 196916961 is about 581.7830198114.

The spelling of 196916961 in words is "one hundred ninety-six million, nine hundred sixteen thousand, nine hundred sixty-one".