162198423 has 8 divisors (see below), whose sum is σ = 240294000. Its totient is φ = 108132264.

The previous prime is 162198403. The next prime is 162198467. The reversal of 162198423 is 324891261.

162198423 is a `hidden beast` number, since 1 + 621 + 9 + 8 + 4 + 23 = 666.

It is not a de Polignac number, because 162198423 - 2⁶ = 162198359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162198403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003648 + ... + 3003701.

It is an arithmetic number, because the mean of its divisors is an integer number (30036750).

Almost surely, 2^162198423 is an apocalyptic number.

162198423 is a deficient number, since it is larger than the sum of its proper divisors (78095577).

162198423 is an equidigital number, since it uses as much as digits as its factorization.

162198423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007358 (or 6007352 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 162198423 is about 12735.7144675907. The cubic root of 162198423 is about 545.3586540295.

It can be divided in two parts, 16219 and 8423, that added together give a palindrome (24642).

The spelling of 162198423 in words is "one hundred sixty-two million, one hundred ninety-eight thousand, four hundred twenty-three".