165116868 has 36 divisors (see below), whose sum is σ = 448175952. Its totient is φ = 47176080.

The previous prime is 165116837. The next prime is 165116879. The reversal of 165116868 is 868611561.

165116868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139818 + ... + 140993.

It is an arithmetic number, because the mean of its divisors is an integer number (12449332).

Almost surely, 2^165116868 is an apocalyptic number.

It is an amenable number.

165116868 is an abundant number, since it is smaller than the sum of its proper divisors (283059084).

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

165116868 is a wasteful number, since it uses less digits than its factorization.

165116868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280832 (or 280823 counting only the distinct ones).

The product of its digits is 69120, while the sum is 42.

The square root of 165116868 is about 12849.7808541625. The cubic root of 165116868 is about 548.6101193026.

The spelling of 165116868 in words is "one hundred sixty-five million, one hundred sixteen thousand, eight hundred sixty-eight".