196920671 has 2 divisors, whose sum is σ = 196920672. Its totient is φ = 196920670.

The previous prime is 196920667. The next prime is 196920677. The reversal of 196920671 is 176029691.

It is a weak prime.

It is an emirp because it is prime and its reverse (176029691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196920671 - 2² = 196920667 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196920677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98460335 + 98460336.

It is an arithmetic number, because the mean of its divisors is an integer number (98460336).

Almost surely, 2^196920671 is an apocalyptic number.

196920671 is a deficient number, since it is larger than the sum of its proper divisors (1).

196920671 is an equidigital number, since it uses as much as digits as its factorization.

196920671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 196920671 is about 14032.8425844517. The cubic root of 196920671 is about 581.7866734690.

The spelling of 196920671 in words is "one hundred ninety-six million, nine hundred twenty thousand, six hundred seventy-one".