165201036 has 192 divisors, whose sum is σ = 548674560. Its totient is φ = 37232640.

The previous prime is 165200977. The next prime is 165201037. The reversal of 165201036 is 630102561.

It is a junction number, because it is equal to n+sod(n) for n = 165200997 and 165201015.

It is not an unprimeable number, because it can be changed into a prime (165201037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203800 + ... + 204608.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^165201036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165201036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274337280).

165201036 is an abundant number, since it is smaller than the sum of its proper divisors (383473524).

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

165201036 is a wasteful number, since it uses less digits than its factorization.

165201036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 165201036 is about 12853.0555122119. The cubic root of 165201036 is about 548.7033211125.

Adding to 165201036 its reverse (630102561), we get a palindrome (795303597).

The spelling of 165201036 in words is "one hundred sixty-five million, two hundred one thousand, thirty-six".