165216102 has 16 divisors (see below), whose sum is σ = 330989232. Its totient is φ = 54979200.

The previous prime is 165216091. The next prime is 165216113. The reversal of 165216102 is 201612561.

It is an interprime number because it is at equal distance from previous prime (165216091) and next prime (165216113).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19303 + ... + 26514.

It is an arithmetic number, because the mean of its divisors is an integer number (20686827).

Almost surely, 2^165216102 is an apocalyptic number.

165216102 is an abundant number, since it is smaller than the sum of its proper divisors (165773130).

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

165216102 is a wasteful number, since it uses less digits than its factorization.

165216102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46423.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 165216102 is about 12853.6415851696. The cubic root of 165216102 is about 548.7200008161.

Adding to 165216102 its reverse (201612561), we get a palindrome (366828663).

The spelling of 165216102 in words is "one hundred sixty-five million, two hundred sixteen thousand, one hundred two".