165115268 has 12 divisors (see below), whose sum is σ = 289996812. Its totient is φ = 82259040.

The previous prime is 165115267. The next prime is 165115289. The reversal of 165115268 is 862511561.

It is a happy number.

165115268 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 114875524 + 50239744 = 10718^2 + 7088^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

165115268 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (165115267) 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, 73403 + ... + 75618.

It is an arithmetic number, because the mean of its divisors is an integer number (24166401).

Almost surely, 2^165115268 is an apocalyptic number.

It is an amenable number.

165115268 is a deficient number, since it is larger than the sum of its proper divisors (124881544).

165115268 is a wasteful number, since it uses less digits than its factorization.

165115268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149302 (or 149300 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

The square root of 165115268 is about 12849.7185961405. The cubic root of 165115268 is about 548.6083472668.

The spelling of 165115268 in words is "one hundred sixty-five million, one hundred fifteen thousand, two hundred sixty-eight".