165217002 has 16 divisors (see below), whose sum is σ = 341828640. Its totient is φ = 53173232.

The previous prime is 165217001. The next prime is 165217007. The reversal of 165217002 is 200712561.

165217002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165217001) 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 7 ways as a sum of consecutive naturals, for example, 474588 + ... + 474935.

It is an arithmetic number, because the mean of its divisors is an integer number (21364290).

Almost surely, 2^165217002 is an apocalyptic number.

165217002 is an abundant number, since it is smaller than the sum of its proper divisors (176611638).

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

165217002 is a wasteful number, since it uses less digits than its factorization.

165217002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949557.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 165217002 is about 12853.6765946557. The cubic root of 165217002 is about 548.7209971821.

Adding to 165217002 its reverse (200712561), we get a palindrome (365929563).

The spelling of 165217002 in words is "one hundred sixty-five million, two hundred seventeen thousand, two".