162197 has 16 divisors (see below), whose sum is σ = 207360. Its totient is φ = 123648.

The previous prime is 162143. The next prime is 162209. The reversal of 162197 is 791261.

It is not a de Polignac number, because 162197 - 2¹⁶ = 96661 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 (162997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3428 + ... + 3474.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

2¹⁶²¹⁹⁷ is an apocalyptic number.

162197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

162197 is the 329-th pentagonal number.

It is an amenable number.

162197 is a deficient number, since it is larger than the sum of its proper divisors (45163).

162197 is a wasteful number, since it uses less digits than its factorization.

162197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100.

The product of its digits is 756, while the sum is 26.

The square root of 162197 is about 402.7368868132. The cubic root of 162197 is about 54.5357059177.

The spelling of 162197 in words is "one hundred sixty-two thousand, one hundred ninety-seven".