165330867 has 16 divisors (see below), whose sum is σ = 238289408. Its totient is φ = 101360160.

The previous prime is 165330863. The next prime is 165330881. The reversal of 165330867 is 768033561.

It is not a de Polignac number, because 165330867 - 2² = 165330863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165330863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2748 + ... + 18390.

It is an arithmetic number, because the mean of its divisors is an integer number (14893088).

Almost surely, 2^165330867 is an apocalyptic number.

165330867 is a deficient number, since it is larger than the sum of its proper divisors (72958541).

165330867 is a wasteful number, since it uses less digits than its factorization.

165330867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15930.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 165330867 is about 12858.1051092297. The cubic root of 165330867 is about 548.8470249065.

The spelling of 165330867 in words is "one hundred sixty-five million, three hundred thirty thousand, eight hundred sixty-seven".