196186451 has 2 divisors, whose sum is σ = 196186452. Its totient is φ = 196186450.

The previous prime is 196186447. The next prime is 196186453. The reversal of 196186451 is 154681691.

196186451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196186451 - 2² = 196186447 is a prime.

Together with 196186453, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 196186399 and 196186408.

It is not a weakly prime, because it can be changed into another prime (196186453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98093225 + 98093226.

It is an arithmetic number, because the mean of its divisors is an integer number (98093226).

Almost surely, 2^196186451 is an apocalyptic number.

196186451 is a deficient number, since it is larger than the sum of its proper divisors (1).

196186451 is an equidigital number, since it uses as much as digits as its factorization.

196186451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 41.

The square root of 196186451 is about 14006.6573814026. The cubic root of 196186451 is about 581.0627078225.

The spelling of 196186451 in words is "one hundred ninety-six million, one hundred eighty-six thousand, four hundred fifty-one".