165039016 has 32 divisors (see below), whose sum is σ = 326462400. Its totient is φ = 78001920.

The previous prime is 165039013. The next prime is 165039037. The reversal of 165039016 is 610930561.

165039016 is digitally balanced in base 2, 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 (165039011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89221 + ... + 91051.

It is an arithmetic number, because the mean of its divisors is an integer number (10201950).

Almost surely, 2^165039016 is an apocalyptic number.

It is an amenable number.

165039016 is a deficient number, since it is larger than the sum of its proper divisors (161423384).

165039016 is a wasteful number, since it uses less digits than its factorization.

165039016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2445 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 165039016 is about 12846.7511846381. The cubic root of 165039016 is about 548.5238831923.

Adding to 165039016 its reverse (610930561), we get a palindrome (775969577).

The spelling of 165039016 in words is "one hundred sixty-five million, thirty-nine thousand, sixteen".