196466771 has 2 divisors, whose sum is σ = 196466772. Its totient is φ = 196466770.

The previous prime is 196466749. The next prime is 196466789. The reversal of 196466771 is 177664691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196466771 is a prime.

It is not a weakly prime, because it can be changed into another prime (196466701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98233385 + 98233386.

It is an arithmetic number, because the mean of its divisors is an integer number (98233386).

Almost surely, 2^196466771 is an apocalyptic number.

196466771 is a deficient number, since it is larger than the sum of its proper divisors (1).

196466771 is an equidigital number, since it uses as much as digits as its factorization.

196466771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 196466771 is about 14016.6604795864. The cubic root of 196466771 is about 581.3393256020.

The spelling of 196466771 in words is "one hundred ninety-six million, four hundred sixty-six thousand, seven hundred seventy-one".