165475197 has 16 divisors (see below), whose sum is σ = 245359680. Its totient is φ = 110221776.

The previous prime is 165475187. The next prime is 165475201. The reversal of 165475197 is 791574561.

165475197 is a `hidden beast` number, since 16 + 547 + 5 + 1 + 97 = 666.

It is not a de Polignac number, because 165475197 - 2⁷ = 165475069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165475147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44743 + ... + 48299.

It is an arithmetic number, because the mean of its divisors is an integer number (15334980).

Almost surely, 2^165475197 is an apocalyptic number.

It is an amenable number.

165475197 is a deficient number, since it is larger than the sum of its proper divisors (79884483).

165475197 is a wasteful number, since it uses less digits than its factorization.

165475197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5289 (or 5283 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 165475197 is about 12863.7162981776. The cubic root of 165475197 is about 549.0066886820.

The spelling of 165475197 in words is "one hundred sixty-five million, four hundred seventy-five thousand, one hundred ninety-seven".