197167141 has 2 divisors, whose sum is σ = 197167142. Its totient is φ = 197167140.

The previous prime is 197167133. The next prime is 197167153. The reversal of 197167141 is 141761791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193349025 + 3818116 = 13905^2 + 1954^2 .

It is a cyclic number.

It is not a de Polignac number, because 197167141 - 2³ = 197167133 is a prime.

It is a super-2 number, since 2×197167141² = 77749762980227762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 197167141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197167111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98583570 + 98583571.

It is an arithmetic number, because the mean of its divisors is an integer number (98583571).

Almost surely, 2^197167141 is an apocalyptic number.

It is an amenable number.

197167141 is a deficient number, since it is larger than the sum of its proper divisors (1).

197167141 is an equidigital number, since it uses as much as digits as its factorization.

197167141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 37.

The square root of 197167141 is about 14041.6217368223. The cubic root of 197167141 is about 582.0292976989.

The spelling of 197167141 in words is "one hundred ninety-seven million, one hundred sixty-seven thousand, one hundred forty-one".