165210038 has 8 divisors (see below), whose sum is σ = 283217232. Its totient is φ = 70804296.

The previous prime is 165210011. The next prime is 165210041. The reversal of 165210038 is 830012561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×165210038² = 54588713311922888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165209989 and 165210016.

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 3 ways as a sum of consecutive naturals, for example, 5900345 + ... + 5900372.

It is an arithmetic number, because the mean of its divisors is an integer number (35402154).

Almost surely, 2^165210038 is an apocalyptic number.

165210038 is a deficient number, since it is larger than the sum of its proper divisors (118007194).

165210038 is a wasteful number, since it uses less digits than its factorization.

165210038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11800726.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 165210038 is about 12853.4056965460. The cubic root of 165210038 is about 548.7132874293.

Adding to 165210038 its reverse (830012561), we get a palindrome (995222599).

The spelling of 165210038 in words is "one hundred sixty-five million, two hundred ten thousand, thirty-eight".