165008136 has 64 divisors (see below), whose sum is σ = 423748800. Its totient is φ = 53526528.

The previous prime is 165008131. The next prime is 165008161. The reversal of 165008136 is 631800561.

It is not an unprimeable number, because it can be changed into a prime (165008131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142536 + ... + 143688.

It is an arithmetic number, because the mean of its divisors is an integer number (6621075).

Almost surely, 2^165008136 is an apocalyptic number.

It is an amenable number.

165008136 is an abundant number, since it is smaller than the sum of its proper divisors (258740664).

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

165008136 is a wasteful number, since it uses less digits than its factorization.

165008136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 165008136 is about 12845.5492681317. The cubic root of 165008136 is about 548.4896701226.

Adding to 165008136 its reverse (631800561), we get a palindrome (796808697).

The spelling of 165008136 in words is "one hundred sixty-five million, eight thousand, one hundred thirty-six".