165103038 has 12 divisors (see below), whose sum is σ = 357723288. Its totient is φ = 55034340.

The previous prime is 165103009. The next prime is 165103051. The reversal of 165103038 is 830301561.

165103038 is a `hidden beast` number, since 1 + 651 + 0 + 3 + 0 + 3 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4586178 + ... + 4586213.

It is an arithmetic number, because the mean of its divisors is an integer number (29810274).

Almost surely, 2^165103038 is an apocalyptic number.

165103038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

165103038 is an abundant number, since it is smaller than the sum of its proper divisors (192620250).

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

165103038 is a wasteful number, since it uses less digits than its factorization.

165103038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9172399 (or 9172396 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 165103038 is about 12849.2427014202. The cubic root of 165103038 is about 548.5948018896.

Adding to 165103038 its reverse (830301561), we get a palindrome (995404599).

The spelling of 165103038 in words is "one hundred sixty-five million, one hundred three thousand, thirty-eight".