165345016 has 16 divisors (see below), whose sum is σ = 311023440. Its totient is φ = 82405440.

The previous prime is 165345007. The next prime is 165345017. The reversal of 165345016 is 610543561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165345017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30741 + ... + 35716.

It is an arithmetic number, because the mean of its divisors is an integer number (19438965).

Almost surely, 2^165345016 is an apocalyptic number.

It is an amenable number.

165345016 is a deficient number, since it is larger than the sum of its proper divisors (145678424).

165345016 is a wasteful number, since it uses less digits than its factorization.

165345016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66774 (or 66770 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 165345016 is about 12858.6552951699. The cubic root of 165345016 is about 548.8626812187.

Adding to 165345016 its reverse (610543561), we get a palindrome (775888577).

The spelling of 165345016 in words is "one hundred sixty-five million, three hundred forty-five thousand, sixteen".