196016917 has 2 divisors, whose sum is σ = 196016918. Its totient is φ = 196016916.

The previous prime is 196016869. The next prime is 196016927. The reversal of 196016917 is 719610691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125305636 + 70711281 = 11194^2 + 8409^2 .

It is an emirp because it is prime and its reverse (719610691) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196016917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196016917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196016927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98008458 + 98008459.

It is an arithmetic number, because the mean of its divisors is an integer number (98008459).

Almost surely, 2^196016917 is an apocalyptic number.

It is an amenable number.

196016917 is a deficient number, since it is larger than the sum of its proper divisors (1).

196016917 is an equidigital number, since it uses as much as digits as its factorization.

196016917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 196016917 is about 14000.6041655351. The cubic root of 196016917 is about 580.8952849892.

The spelling of 196016917 in words is "one hundred ninety-six million, sixteen thousand, nine hundred seventeen".