197166071 has 8 divisors (see below), whose sum is σ = 199085040. Its totient is φ = 195256768.

The previous prime is 197166037. The next prime is 197166113. The reversal of 197166071 is 170661791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197166071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197166001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42515 + ... + 46923.

It is an arithmetic number, because the mean of its divisors is an integer number (24885630).

Almost surely, 2^197166071 is an apocalyptic number.

197166071 is a deficient number, since it is larger than the sum of its proper divisors (1918969).

197166071 is a wasteful number, since it uses less digits than its factorization.

197166071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 197166071 is about 14041.5836357585. The cubic root of 197166071 is about 582.0282448317.

The spelling of 197166071 in words is "one hundred ninety-seven million, one hundred sixty-six thousand, seventy-one".