162548338 has 4 divisors (see below), whose sum is σ = 243822510. Its totient is φ = 81274168.

The previous prime is 162548311. The next prime is 162548341. The reversal of 162548338 is 833845261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833845261 = 131 ⋅6365231.

It can be written as a sum of positive squares in only one way, i.e., 84879369 + 77668969 = 9213^2 + 8813^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 162548338.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40637083 + ... + 40637086.

Almost surely, 2^162548338 is an apocalyptic number.

162548338 is a deficient number, since it is larger than the sum of its proper divisors (81274172).

162548338 is an equidigital number, since it uses as much as digits as its factorization.

162548338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81274171.

The product of its digits is 138240, while the sum is 40.

The square root of 162548338 is about 12749.4446153548. Note that the first 3 decimals coincide. The cubic root of 162548338 is about 545.7505446270.

The spelling of 162548338 in words is "one hundred sixty-two million, five hundred forty-eight thousand, three hundred thirty-eight".