165116049 has 8 divisors (see below), whose sum is σ = 251605440. Its totient is φ = 94352016.

The previous prime is 165116047. The next prime is 165116059. The reversal of 165116049 is 940611561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165116049 - 2¹ = 165116047 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165116047) 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, 3931314 + ... + 3931355.

It is an arithmetic number, because the mean of its divisors is an integer number (31450680).

Almost surely, 2^165116049 is an apocalyptic number.

It is an amenable number.

165116049 is a deficient number, since it is larger than the sum of its proper divisors (86489391).

165116049 is an equidigital number, since it uses as much as digits as its factorization.

165116049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7862679.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 165116049 is about 12849.7489858752. The cubic root of 165116049 is about 548.6092122432.

The spelling of 165116049 in words is "one hundred sixty-five million, one hundred sixteen thousand, forty-nine".