165138024 has 32 divisors (see below), whose sum is σ = 414396000. Its totient is φ = 54839232.

The previous prime is 165138011. The next prime is 165138053. The reversal of 165138024 is 420831561.

It is a junction number, because it is equal to n+sod(n) for n = 165137982 and 165138000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6334 + ... + 19245.

It is an arithmetic number, because the mean of its divisors is an integer number (12949875).

Almost surely, 2^165138024 is an apocalyptic number.

It is an amenable number.

165138024 is an abundant number, since it is smaller than the sum of its proper divisors (249257976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165138024 is a wasteful number, since it uses less digits than its factorization.

165138024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25857 (or 25853 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 165138024 is about 12850.6040324959. The cubic root of 165138024 is about 548.6335489703.

Adding to 165138024 its reverse (420831561), we get a palindrome (585969585).

The spelling of 165138024 in words is "one hundred sixty-five million, one hundred thirty-eight thousand, twenty-four".