196868071 has 2 divisors, whose sum is σ = 196868072. Its totient is φ = 196868070.

The previous prime is 196868069. The next prime is 196868099. The reversal of 196868071 is 170868691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196868071 - 2¹ = 196868069 is a prime.

It is a super-2 number, since 2×196868071² = 77514074758522082, which contains 22 as substring.

Together with 196868069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196868471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98434035 + 98434036.

It is an arithmetic number, because the mean of its divisors is an integer number (98434036).

Almost surely, 2^196868071 is an apocalyptic number.

196868071 is a deficient number, since it is larger than the sum of its proper divisors (1).

196868071 is an equidigital number, since it uses as much as digits as its factorization.

196868071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 196868071 is about 14030.9682844770. The cubic root of 196868071 is about 581.7348679983.

The spelling of 196868071 in words is "one hundred ninety-six million, eight hundred sixty-eight thousand, seventy-one".