165201102 has 48 divisors (see below), whose sum is σ = 392221440. Its totient is φ = 49837200.

The previous prime is 165201079. The next prime is 165201103. The reversal of 165201102 is 201102561.

165201102 is a `hidden beast` number, since 1 + 652 + 0 + 1 + 10 + 2 = 666.

165201102 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165201103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45577 + ... + 49067.

It is an arithmetic number, because the mean of its divisors is an integer number (8171280).

Almost surely, 2^165201102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165201102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196110720).

165201102 is an abundant number, since it is smaller than the sum of its proper divisors (227020338).

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

165201102 is a wasteful number, since it uses less digits than its factorization.

165201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749 (or 3746 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 165201102 is about 12853.0580796945. The cubic root of 165201102 is about 548.7033941839.

Adding to 165201102 its reverse (201102561), we get a palindrome (366303663).

The spelling of 165201102 in words is "one hundred sixty-five million, two hundred one thousand, one hundred two".