165115016 has 128 divisors (see below), whose sum is σ = 389059200. Its totient is φ = 64696320.

The previous prime is 165115007. The next prime is 165115031. The reversal of 165115016 is 610511561.

165115016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1051610 + ... + 1051766.

It is an arithmetic number, because the mean of its divisors is an integer number (3039525).

Almost surely, 2^165115016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165115016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194529600).

165115016 is an abundant number, since it is smaller than the sum of its proper divisors (223944184).

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

165115016 is a wasteful number, since it uses less digits than its factorization.

165115016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 165115016 is about 12849.7087904746. The cubic root of 165115016 is about 548.6080681701.

Adding to 165115016 its reverse (610511561), we get a palindrome (775626577).

The spelling of 165115016 in words is "one hundred sixty-five million, one hundred fifteen thousand, sixteen".