162039938 has 4 divisors (see below), whose sum is σ = 243059910. Its totient is φ = 81019968.

The previous prime is 162039919. The next prime is 162039947. The reversal of 162039938 is 839930261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839930261 = 23 ⋅36518707.

It can be written as a sum of positive squares in only one way, i.e., 152596609 + 9443329 = 12353^2 + 3073^2 .

It is a junction number, because it is equal to n+sod(n) for n = 162039895 and 162039904.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40509983 + ... + 40509986.

Almost surely, 2^162039938 is an apocalyptic number.

162039938 is a deficient number, since it is larger than the sum of its proper divisors (81019972).

162039938 is an equidigital number, since it uses as much as digits as its factorization.

162039938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81019971.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 162039938 is about 12729.4908774860. The cubic root of 162039938 is about 545.1809717998.

The spelling of 162039938 in words is "one hundred sixty-two million, thirty-nine thousand, nine hundred thirty-eight".