162161224 has 16 divisors (see below), whose sum is σ = 317272320. Its totient is φ = 77555280.

The previous prime is 162161221. The next prime is 162161227. The reversal of 162161224 is 422161261.

It is a happy number.

162161224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (162161221) and next prime (162161227).

It is not an unprimeable number, because it can be changed into a prime (162161221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440472 + ... + 440839.

It is an arithmetic number, because the mean of its divisors is an integer number (19829520).

Almost surely, 2^162161224 is an apocalyptic number.

It is an amenable number.

162161224 is a deficient number, since it is larger than the sum of its proper divisors (155111096).

162161224 is a wasteful number, since it uses less digits than its factorization.

162161224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881340 (or 881336 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 162161224 is about 12734.2539632285. The cubic root of 162161224 is about 545.3169595271.

The spelling of 162161224 in words is "one hundred sixty-two million, one hundred sixty-one thousand, two hundred twenty-four".