196066951 has 2 divisors, whose sum is σ = 196066952. Its totient is φ = 196066950.

The previous prime is 196066943. The next prime is 196066987. The reversal of 196066951 is 159660691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196066951 - 2³ = 196066943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196066898 and 196066907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196066931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98033475 + 98033476.

It is an arithmetic number, because the mean of its divisors is an integer number (98033476).

Almost surely, 2^196066951 is an apocalyptic number.

196066951 is a deficient number, since it is larger than the sum of its proper divisors (1).

196066951 is an equidigital number, since it uses as much as digits as its factorization.

196066951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 196066951 is about 14002.3909029851. The cubic root of 196066951 is about 580.9447059653.

The spelling of 196066951 in words is "one hundred ninety-six million, sixty-six thousand, nine hundred fifty-one".