162566422 has 4 divisors (see below), whose sum is σ = 243849636. Its totient is φ = 81283210.

The previous prime is 162566399. The next prime is 162566429. The reversal of 162566422 is 224665261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224665261 = 241 ⋅932221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162566429) 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 as a sum of consecutive naturals, namely, 40641604 + ... + 40641607.

It is an arithmetic number, because the mean of its divisors is an integer number (60962409).

Almost surely, 2^162566422 is an apocalyptic number.

162566422 is a deficient number, since it is larger than the sum of its proper divisors (81283214).

162566422 is an equidigital number, since it uses as much as digits as its factorization.

162566422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81283213.

The product of its digits is 34560, while the sum is 34.

The square root of 162566422 is about 12750.1538029939. The cubic root of 162566422 is about 545.7707826826.

The spelling of 162566422 in words is "one hundred sixty-two million, five hundred sixty-six thousand, four hundred twenty-two".