196142671 has 2 divisors, whose sum is σ = 196142672. Its totient is φ = 196142670.

The previous prime is 196142603. The next prime is 196142677. The reversal of 196142671 is 176241691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196142671 - 2¹³ = 196134479 is a prime.

It is a super-3 number, since 3×196142671³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196142671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196142677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98071335 + 98071336.

It is an arithmetic number, because the mean of its divisors is an integer number (98071336).

Almost surely, 2^196142671 is an apocalyptic number.

196142671 is a deficient number, since it is larger than the sum of its proper divisors (1).

196142671 is an equidigital number, since it uses as much as digits as its factorization.

196142671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 196142671 is about 14005.0944659435. The cubic root of 196142671 is about 581.0194822451.

The spelling of 196142671 in words is "one hundred ninety-six million, one hundred forty-two thousand, six hundred seventy-one".