196651183 has 2 divisors, whose sum is σ = 196651184. Its totient is φ = 196651182.

The previous prime is 196651163. The next prime is 196651229. The reversal of 196651183 is 381156691.

It is a weak prime.

It is an emirp because it is prime and its reverse (381156691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196651183 - 2²⁵ = 163096751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196651163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98325591 + 98325592.

It is an arithmetic number, because the mean of its divisors is an integer number (98325592).

Almost surely, 2^196651183 is an apocalyptic number.

196651183 is a deficient number, since it is larger than the sum of its proper divisors (1).

196651183 is an equidigital number, since it uses as much as digits as its factorization.

196651183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 40.

The square root of 196651183 is about 14023.2372510772. The cubic root of 196651183 is about 581.5211585943.

The spelling of 196651183 in words is "one hundred ninety-six million, six hundred fifty-one thousand, one hundred eighty-three".