162197697 has 16 divisors (see below), whose sum is σ = 229512960. Its totient is φ = 101536512.

The previous prime is 162197647. The next prime is 162197701. The reversal of 162197697 is 796791261.

It is a happy number.

It is not a de Polignac number, because 162197697 - 2⁷ = 162197569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162197647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20179 + ... + 27047.

It is an arithmetic number, because the mean of its divisors is an integer number (14344560).

Almost surely, 2^162197697 is an apocalyptic number.

162197697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

162197697 is a deficient number, since it is larger than the sum of its proper divisors (67315263).

162197697 is a wasteful number, since it uses less digits than its factorization.

162197697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7352.

The product of its digits is 285768, while the sum is 48.

The square root of 162197697 is about 12735.6859650354. The cubic root of 162197697 is about 545.3578403534.

The spelling of 162197697 in words is "one hundred sixty-two million, one hundred ninety-seven thousand, six hundred ninety-seven".